[Event "Mexican op 70th"]
[Site "Mexico City"]
[Date "2025.04.19"]
[Round "9"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Hernandez Guerrero, Gilberto Eduardo"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2005"]
[BlackElo "2458"]
[PlyCount "98"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 b5 8. Nxc6 Qxc6 9. Qd4 Bb7 10. f3 Rc8 11. Bd3 f6 12. e5 f5 13. h4 Bc5 14. Qf4 Ne7 15. h5 0-0 16. 0-0-0 Bxa3 17. Bd4 Bc5 18. Rhg1 b4 19. Bxc5 Qxc5 20. Na4 Qa5 21. b3 Bc6 22. g4 fxg4 23. Qxg4 Qxe5 24. Qxb4 Rf7 25. Rde1 Qa1+ 26. Kd2 Qf6 27. Kc1 Nd5 28. Qe4 Qh6+ 29. Kb2 Nf4 30. Qd4 Nxd3+ 31. Qxd3 Bxa4 32. bxa4 Qxh5 33. Rg4 Qf5 34. Qxf5 Rxf5 35. Rd4 Rc7 36. Re3 Rfc5 37. c3 Kf7 38. Red3 Ke7 39. Rh4 h5 40. Rh1 Rf5 41. Rh4 a5 42. Kc2 d5 43. Re3 g6 44. Kd2 Kd6 45. Rd3 Rb7 46. Rh1 Rb2+ 47. Ke3 Ra2 48. Rh4 g5 49. Rxh5 Re5+ 0-1

[Event "Mexican op 70th"]
[Site "Mexico City"]
[Date "2025.04.18"]
[Round "7"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Campos, Maria Jose"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2005"]
[BlackElo "2251"]
[PlyCount "82"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Bc5 8. c3 d6 9. a4 0-0 10. Bg5 h6 11. Bh4 Qe7 12. Nbd2 Bb6 13. Re1 g5 14. Bg3 Nh7 15. Nf1 h5 16. h3 Qf6 17. Ne3 Ne7 18. Nh2 Qg6 19. Nhf1 Kh8 20. Nf5 Nxf5 21. exf5 Qxf5 22. Qxh5 Qd7 23. Kh1 Rae8 24. f3 f5 25. Re2 Kg7 26. Bh2 Rf6 27. Ng3 Ref8 28. d4 Rh6 29. dxe5 Rxh5 30. exd6 Kg6 31. Nxh5 cxd6 32. Re6+ Qxe6 33. Bxe6 Kxh5 34. axb5 axb5 35. Bxd6 Rf6 36. Re1 Nf8 37. Bxf8 Rxf8 38. Bd7 Kh4 39. Bxb5 g4 40. fxg4 Kg3 41. Re2 Ra8 0-1

[Event "Mexican op 70th"]
[Site "Mexico City"]
[Date "2025.04.17"]
[Round "5"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Orta Ruz, Andre Fernando"]
[Result "0-1"]
[ECO "B68"]
[WhiteElo "2005"]
[BlackElo "2163"]
[PlyCount "66"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. e5 b4 12. exf6 bxc3 13. Qxc3 gxf6 14. Bd3 d5 15. a3 Rc8 16. Bxa6 Nb4 17. axb4 Rxc3 18. bxc3 fxg5 19. f5 Qc7 20. fxe6 fxe6 21. Kb2 0-0 22. Nd4 Ra8 23. Be2 Rc8 24. Rd3 e5 25. Nb3 Bxb4 26. Bd1 Bxc3+ 27. Kb1 Rb8 28. Kc1 Bf5 29. Rg3 Rxb3 30. Rxg5+ Kh8 31. Rxf5 Rb1+ 32. Kxb1 Qb6+ 33. Ka2 Qb2# 0-1

[Event "Mexican op 70th"]
[Site "Mexico City"]
[Date "2025.04.16"]
[Round "4"]
[White "Gracia Alvarez, Gerardo Antonio"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2279"]
[BlackElo "2005"]
[PlyCount "49"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 e6 4. Nc3 Nc6 5. Qd3 Nf6 6. Bf4 e5 7. Bg5 Bb4 8. Nge2 h6 9. Bxf6 Qxf6 10. f3 0-0 11. 0-0-0 d6 12. Nd5 Qg5+ 13. Qe3 Qxe3+ 14. Nxe3 Be6 15. Nd5 Bxd5 16. Rxd5 Bc5 17. Rd1 b5 18. Nc3 b4 19. Nd5 Rab8 20. Bc4 Nd4 21. Bb3 Kh7 22. Rhe1 a5 23. Ba4 Rb7 24. Kd2 Rc8 25. Rb1 1/2-1/2

[Event "Mexican op 70th"]
[Site "Mexico City"]
[Date "2025.04.15"]
[Round "2"]
[White "Duarte Barahona, Raul Alejandro"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2256"]
[BlackElo "2005"]
[PlyCount "99"]
[EventDate "2025.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 e6 3. g3 d5 4. Bg2 Nc6 5. cxd5 exd5 6. d4 Nf6 7. 0-0 Be7 8. dxc5 Bxc5 9. a3 0-0 10. b4 Bb6 11. Nc3 h6 12. Bb2 Be6 13. Na4 Ne4 14. Nxb6 Qxb6 15. Nd4 Nxd4 16. Bxd4 Qb5 17. e3 Rfc8 18. Qh5 a6 19. Qe5 Nf6 20. Qf4 Ne8 21. Rfd1 Rd8 22. Bf1 Qd7 23. h4 Nd6 24. Bb6 Rdc8 25. Bg2 Nc4 26. Bc5 Qc6 27. e4 dxe4 28. Bxe4 Qc7 29. Qf3 Rd8 30. Bxb7 Rxd1+ 31. Rxd1 Rd8 32. Rxd8+ Qxd8 33. Bxa6 Ne5 34. Qe2 Qd5 35. f4 Nf3+ 36. Kf2 Bg4 37. Bc4 Qc6 38. Qe3 Nh2 39. b5 Qh1 40. Qe1 Qf3+ 41. Kg1 Bh3 42. Qf2 Qxf2+ 43. Kxf2 Ng4+ 44. Ke2 Nf6 45. b6 Bc8 46. Ke3 Nd7 47. Kd4 Bb7 48. Bd5 Ba6 49. b7 g6 50. Bd6 1-0

[Event "Veracruz op 2nd"]
[Site "Xalapa"]
[Date "2024.04.28"]
[Round "6"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Gonzalez Zharikov, Andrey"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1966"]
[BlackElo "2037"]
[PlyCount "89"]
[EventDate "2024.04.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bg5 Qb6 6. Bd3 Bxd3 7. Qxd3 Qa6 8. Qb3 e6 9. Nd2 Ne7 10. Ne2 Nd7 11. c4 dxc4 12. Nxc4 Nf5 13. 0-0 Nb6 14. Nxb6 axb6 15. Rfe1 Be7 16. a3 Bxg5 17. hxg5 h4 18. g6 Rh6 19. gxf7+ Kxf7 20. Rad1 Rd8 21. Qf3 Kg8 22. Rd3 Qc4 23. Red1 Qd5 24. Qg4 Rf8 25. Nc3 Qd7 26. Ne4 Qe7 27. Ng5 c5 28. d5 exd5 29. Rxd5 Rg6 30. f4 Ne3 31. Rd7 Qxe5 32. Qxh4 Rh6 33. Qxh6 gxh6 34. fxe5 Nxd1 35. Nh7 Rf7 36. Nf6+ Rxf6 37. exf6 Nxb2 38. Rxb7 Nc4 39. a4 Kf8 40. Kh2 Na5 41. Rxb6 c4 42. Rb5 Nb3 43. Rb8+ Kf7 44. Rc8 Na5 45. Rc5 1-0

[Event "Veracruz op 2nd"]
[Site "Xalapa"]
[Date "2024.04.27"]
[Round "5"]
[White "Contreras Medina, Ruben Dario"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2143"]
[BlackElo "1966"]
[PlyCount "45"]
[EventDate "2024.04.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. d3 0-0 8. Qe1 d5 9. Bb3 Nd4 10. Nxd4 cxd4 11. Ne2 dxe4 12. dxe4 b5 13. Qf2 a5 14. a3 a4 15. Ba2 Nc6 16. Rd1 Qc7 17. e5 Rd8 18. Nxd4 Nxd4 19. Rxd4 Rxd4 20. Qxd4 Qxc2 21. Bd2 Bb7 22. Rc1 Qe4 23. Qxe4 1/2-1/2

[Event "Veracruz op 2nd"]
[Site "Xalapa"]
[Date "2024.04.27"]
[Round "4"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Vega Castaneda, Luis Carlos"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1966"]
[BlackElo "1858"]
[PlyCount "89"]
[EventDate "2024.04.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e6 3. d4 d5 4. e5 f6 5. exf6 Nxf6 6. Bb5 Bd6 7. 0-0 0-0 8. c4 Ne4 9. c5 Bf4 10. Bxc6 bxc6 11. Nc3 Nxc3 12. bxc3 e5 13. Bxf4 exf4 14. Ne5 f3 15. g3 Ba6 16. Re1 Be2 17. Qd2 Rf6 18. h3 Qc8 19. Kh2 Rh6 20. g4 Qd8 21. g5 Rh4 22. Rg1 g6 23. Rg3 Qf8 24. Rb1 Re4 25. Nd7 Qf5 26. Nf6+ Kh8 27. Nxe4 dxe4 28. Rb7 Re8 29. Qe3 Qc8 30. Rxa7 Qb8 31. Ra4 Qb1 32. Rg1 Qd3 33. Kg3 Rf8 34. Qc1 e3 35. d5 exf2 36. Kxf2 Qxd5 37. Qe3 Qf5 38. Rgg4 Qb1 39. Rgf4 Qf1+ 40. Kg3 Qe1+ 41. Qf2 Qxf2+ 42. Kxf2 Rb8 43. Rab4 Ra8 44. a4 Ra5 45. Rf7 1-0

[Event "Veracruz op 2nd"]
[Site "Xalapa"]
[Date "2024.04.26"]
[Round "2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Velazquez Rios, Christian Jonatha"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "1966"]
[BlackElo "1922"]
[PlyCount "67"]
[EventDate "2024.04.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Qc7 9. Kb1 Nbd7 10. f4 0-0 11. g4 b5 12. a3 Bb7 13. Bg2 Nc5 14. Bxf6 Bxf6 15. g5 Bxd4 16. Qxd4 e5 17. Qd2 exf4 18. Qxf4 Ne6 19. Qg3 Qc5 20. Nd5 Kh8 21. h4 a5 22. c3 Rad8 23. h5 Qc4 24. h6 g6 25. Qf2 f6 26. gxf6 Rf7 27. Rhe1 Rdf8 28. e5 dxe5 29. Rxe5 Nc5 30. Qc2 Qh4 31. Qe2 Qc4 32. Qe3 Qb3 33. Rd2 Rxf6 34. Nxf6 1-0

[Event "Veracruz op 2nd"]
[Site "Xalapa"]
[Date "2024.04.26"]
[Round "3"]
[White "Medina Calderon, Victor Manuel"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1995"]
[BlackElo "1966"]
[PlyCount "73"]
[EventDate "2024.04.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "MEX"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 h6 12. Bf4 Be6 13. Re1 Qd7 14. Qd2 Bf5 15. Bb5 Rfe8 16. h3 d4 17. Rxe8+ Rxe8 18. Ne2 Ne4 19. Qd1 Rd8 20. Nc1 a6 21. Bf1 Bg6 22. Nd3 Qf5 23. Qg4 Qd5 24. Bh2 Nf6 25. Qd1 Be4 26. Qd2 Qf5 27. Re1 g5 28. f3 Bd5 29. Ne5 Qc8 30. h4 Nh7 31. Bd3 f5 32. g4 f4 33. Nxc6 Qxc6 34. Bxh7+ Kxh7 35. Re7+ Kg8 36. Qxd4 Qg6 37. h5 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "8"]
[White "Fernandez Pozas, Pablo Antonio"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2110"]
[BlackElo "1971"]
[PlyCount "123"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 0-0 8. Bd3 h6 9. Bh4 Re8 10. Nf3 Ne4 11. Bxe7 Qxe7 12. Bxe4 dxe4 13. Nd2 Bf5 14. Ne2 Nd7 15. 0-0 Nf6 16. Rac1 Bg4 17. Ng3 h5 18. h3 h4 19. Ngxe4 Nxe4 20. hxg4 Nxd2 21. Qxd2 Qg5 22. Qe2 Re4 23. Rc5 Qe7 24. Qf3 Rd8 25. Rfc1 g6 26. g5 Kg7 27. b4 a6 28. a4 Qe6 29. b5 axb5 30. axb5 cxb5 31. Rxb5 Rd7 32. Rcb1 Qe7 33. Rb6 Re6 34. Rxb7 Red6 35. Rxd7 Rxd7 36. Qf4 Rd5 37. Qf6+ Qxf6 38. gxf6+ Kxf6 39. f3 Ra5 40. Rb2 Kg5 41. Rd2 Rd5 42. Kh2 Kh5 43. e4 Rd8 44. d5 g5 45. d6 f6 46. d7 Kg6 47. Kh3 Kf7 48. Kg4 Ke6 49. Rd1 Ke5 50. Rd2 Ke6 51. Rd5 Rxd7 52. Rxd7 Kxd7 53. Kf5 Ke7 54. e5 fxe5 55. Kxe5 g4 56. fxg4 Kf7 57. Kf5 Kg7 58. Kg5 Kh7 59. Kf6 Kh6 60. g5+ Kh7 61. g6+ Kh8 62. Kf7 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "7"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Vega Castaneda, Ulises Antonio"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1971"]
[BlackElo "1843"]
[PlyCount "77"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. a3 e6 5. h4 f6 6. exf6 Qxf6 7. g4 Be4 8. f3 Bg6 9. Bb5 Bd6 10. Bg5 Bg3+ 11. Kf1 Qf8 12. h5 Bf7 13. Kg2 Bd6 14. c4 h6 15. Bh4 a6 16. Ba4 g6 17. hxg6 Bxg6 18. Nc3 h5 19. Qe2 Kd7 20. Re1 Re8 21. g5 Qf4 22. c5 Bf8 23. Qf2 Bg7 24. Rd1 Nge7 25. Nh3 Qf7 26. Rhe1 Nf5 27. Nf4 Rhf8 28. Nxg6 Qxg6 29. Rh1 Re7 30. Ne2 Ref7 31. Rh3 Kc8 32. Rd2 e5 33. dxe5 Nxe5 34. Bc2 Nc4 35. Rd3 Nxb2 36. Rd2 Nc4 37. Rd3 Nb2 38. Rd2 Nc4 39. Rd3 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.17"]
[Round "6"]
[White "Vega Lezama, Maximo Fernando"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1845"]
[BlackElo "1971"]
[PlyCount "109"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. g3 c5 5. c3 Nc6 6. dxc5 Bxc5 7. b4 Be7 8. Bg2 0-0 9. 0-0 Bd7 10. a4 a6 11. Nbd2 Rc8 12. Qb1 b5 13. axb5 axb5 14. Qd3 Qb6 15. h3 h6 16. Rfb1 Ra8 17. Be3 Qc7 18. Rxa8 Rxa8 19. Qxb5 Nxb4 20. Qb6 Qxb6 21. Bxb6 Ra6 22. Bd4 Nc6 23. Bf1 Ra8 24. e3 Rb8 25. Rxb8+ Nxb8 26. c4 dxc4 27. Bxc4 Bc6 28. Ne5 Bb7 29. Bf1 Bb4 30. Ndc4 Ne4 31. Nd3 Be7 32. Na5 Bd5 33. Nf4 Bb4 34. Nxd5 exd5 35. Ba7 Bxa5 36. Bxb8 Be1 37. f3 Nxg3 38. Bxg3 Bxg3 39. Bb5 Bd6 40. Bc6 Bc5 41. Bxd5 Bxe3+ 42. Kg2 Kf8 43. Ba2 Ke7 44. Bc4 f5 45. Bd3 Kf6 46. Ba6 Kg5 47. Bb7 Kf4 48. Bc8 Bd2 49. Bd7 Be1 50. Bc8 g6 51. Bd7 g5 52. Be8 g4 53. fxg4 fxg4 54. hxg4 Kxg4 55. Bd7+ 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "3"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Torres Rosas, Luis Carlos"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1971"]
[BlackElo "2294"]
[PlyCount "72"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 Be7 9. Nd1 b5 10. c3 0-0 11. Bd3 b4 12. 0-0 a5 13. Bb1 Qb6 14. Kh1 a4 15. a3 bxc3 16. bxc3 cxd4 17. Bxd4 Nc5 18. Nf2 Nxd4 19. Nxd4 Nb3 20. Nxb3 axb3 21. Ng4 Rd8 22. Rf3 h5 23. Qd3 Kf8 24. Qh7 Ke8 25. Qxh5 d4 26. Be4 dxc3 27. Rxc3 Qd4 28. Nf6+ gxf6 29. Qf3 Rxa3 30. Rb1 f5 31. Bc6+ Bd7 32. Rd3 Qxd3 33. Qxd3 Bxc6 34. Qc3 Be4 35. Rg1 Rb8 36. Qc7 Raa8 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "4"]
[White "Sarmiento Torres, Mauro"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1713"]
[BlackElo "1971"]
[PlyCount "63"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 0-0 6. Bg2 c6 7. 0-0 Nbd7 8. b3 Re8 9. Re1 Bb4 10. Bd2 dxc4 11. bxc4 e5 12. Qb3 Ba5 13. e3 h6 14. Rad1 exd4 15. exd4 Rxe1+ 16. Bxe1 Nf8 17. d5 cxd5 18. cxd5 Rb8 19. Ne5 Bd7 20. Nc4 Bxc3 21. Bxc3 Ng6 22. Ne5 b5 23. Nc6 Bxc6 24. dxc6 Qe7 25. Bb4 Qe8 26. c7 Rc8 27. Ba5 Nd7 28. Bc6 Ngf8 29. Qd5 Nf6 30. Bxe8 Nxd5 31. Rxd5 Rxe8 32. Rd8 1-0

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.12"]
[Round "9"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Salas Estrada, Ana Paola"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "1933"]
[BlackElo "1659"]
[PlyCount "90"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bh6 6. Nc3 Qb6 7. Nb3 d6 8. Be2 Be6 9. 0-0 Bxc1 10. Rxc1 Nf6 11. Kh1 0-0 12. f4 Bd7 13. c5 Qd8 14. cxd6 Be6 15. e5 Ne8 16. dxe7 Qxe7 17. Nd4 Nxd4 18. Qxd4 Ng7 19. Bf3 Nf5 20. Qf2 Rfd8 21. Ne4 Bxa2 22. Ra1 Bc4 23. Rfc1 Rac8 24. Nf6+ Kg7 25. Qxa7 Rc7 26. Rd1 Rdc8 27. Be4 Bb3 28. Re1 Qb4 29. Bxf5 gxf5 30. Qf2 Qf8 31. Qh4 Qb4 32. Qg5+ Kf8 33. Nxh7+ Ke8 34. Nf6+ Kf8 35. Qxf5 Be6 36. Qg5 Qxb2 37. f5 Bxf5 38. Qxf5 Rc1 39. Raxc1 Rxc1 40. Qf1 Rc2 41. Ng4 Kg8 42. h3 b5 43. Rb1 Qc3 44. Qxb5 Rc1+ 45. Kh2 Kg7 1-0

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.11"]
[Round "8"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1939"]
[BlackElo "1933"]
[PlyCount "81"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. e5 d4 4. Nf3 Nc6 5. Bb5 Bd7 6. cxd4 cxd4 7. 0-0 e6 8. d3 Qb6 9. a4 Nge7 10. Na3 Ng6 11. Nc4 Qc7 12. Bxc6 Bxc6 13. Nxd4 Be7 14. Nb5 Bxb5 15. axb5 0-0 16. Rxa7 Rxa7 17. b6 Qb8 18. bxa7 Qxa7 19. Be3 Qa6 20. Qb3 b5 21. Na3 Nxe5 22. Bd4 Nc6 23. Qxb5 Qxb5 24. Nxb5 Nxd4 25. Nxd4 Bf6 26. Nc6 Bxb2 27. d4 h6 28. d5 exd5 29. Ne7+ Kh7 30. Nxd5 Ra8 31. g3 Ra4 32. Rd1 f5 33. Kg2 Rd4 34. Rxd4 Bxd4 35. h4 g6 36. Kf3 Be5 37. Ne3 h5 38. Nd5 Kg7 39. Ke3 Bb8 40. Kf3 Kf7 41. Ke3 1/2-1/2

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.11"]
[Round "6"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Diaz Bartolo, Elizabeth Schahraza"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1933"]
[BlackElo "1599"]
[PlyCount "81"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc8 5. Be3 h6 6. c4 e6 7. a3 Ne7 8. Nc3 Nd7 9. Rc1 dxc4 10. Bxc4 Nb6 11. Ba2 Ned5 12. Nge2 Be7 13. Nf4 Qd8 14. g3 Rg8 15. Nfxd5 exd5 16. g4 Bg6 17. h5 Bh7 18. Qe2 Qd7 19. f4 f5 20. Bb1 Nc4 21. Bf2 0-0-0 22. Bd3 Qe6 23. Qc2 Rdf8 24. Ne2 Rh8 25. Ng3 Nd6 26. Be3 Ne4 27. gxf5 Bxf5 28. Nxe4 dxe4 29. Bc4 Qd7 30. d5 Qd8 31. dxc6 b6 32. Ba6+ Kc7 33. 0-0 Bc8 34. Rfd1 Qxd1+ 35. Rxd1 Bxa6 36. Rd7+ Kb8 37. Rxe7 Bd3 38. Qa4 a6 39. Qd4 b5 40. Qb6+ Kc8 41. Qc7# 1-0

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.11"]
[Round "7"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Miranda Rodriguez, Tania"]
[Result "0-1"]
[ECO "C90"]
[WhiteElo "1933"]
[BlackElo "2128"]
[PlyCount "151"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. Re1 d6 9. c3 Na5 10. Bc2 c5 11. b4 cxb4 12. cxb4 Nc6 13. a3 Bg4 14. Bb2 Rc8 15. Bb3 Qb6 16. Nbd2 Nd4 17. Bxd4 exd4 18. h3 Bxf3 19. Nxf3 Nd7 20. Nh2 Rc3 21. f4 Bh4 22. Rf1 Bg3 23. Rf3 Bxh2+ 24. Kxh2 a5 25. Rg3 g6 26. f5 Ne5 27. Bd5 a4 28. Qf1 Kg7 29. f6+ Kh8 30. Qf4 Qd8 31. Rf1 Rg8 32. Qf2 Qb6 33. Qd2 Rxa3 34. Rf4 Qd8 35. Rf1 Rc3 36. Qf2 Qb6 37. Qf4 Rxd3 38. Rxd3 Nxd3 39. Qh6 Qc7 40. Rd1 Ne5 41. Rxd4 Qc2 42. Qd2 Rc8 43. Qh6 Rg8 44. Qd2 Qxd2 45. Rxd2 h6 46. Rc2 Rb8 47. Rc7 Kg8 48. Ra7 g5 49. Ra6 Nc4 50. Ra7 Ne5 51. Ra6 Kh7 52. Rxd6 Kg6 53. Ba2 Nc4 54. Rc6 Rb6 55. Rc5 Kxf6 56. Rf5+ Ke7 57. Rd5 f6 58. Kg3 Nd6 59. e5 Ne4+ 60. Kg4 Nc3 61. exf6+ Rxf6 62. Rd2 Rf4+ 63. Kh5 Nxa2 64. Rxa2 Kf6 65. g3 Rxb4 66. Kxh6 Rb3 67. Rf2+ Ke6 68. Rg2 a3 69. Kxg5 Rb2 70. Rg1 a2 71. Re1+ Kf7 72. Rf1+ Kg7 73. Ra1 b4 74. h4 b3 75. Rc1 Rc2 76. Rg1 0-1

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.10"]
[Round "5"]
[White "Corrales Jimenez, Zenia"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2140"]
[BlackElo "1933"]
[PlyCount "67"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Nc2 a5 11. f4 a4 12. Kh1 Qc7 13. Rc1 Rfc8 14. c5 Nb8 15. cxd6 exd6 16. Nb4 Qa5 17. Nbd5 Rc6 18. Ne7+ Kh8 19. Nxc6 Bxc6 20. Qxd6 Na6 21. Qe7 Re8 22. Qxf7 Qb4 23. e5 Ng8 24. b3 axb3 25. Qxb3 Ne7 26. Qxb4 Nxb4 27. Bf3 Nbd5 28. Nxd5 Nxd5 29. Bxd5 Bxd5 30. a4 h5 31. a5 g5 32. fxg5 Bxe5 33. Rc5 Be4 34. Rxe5 1-0

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.09"]
[Round "3"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Tec Rodas, Sofia Isavelina"]
[Result "1/2-1/2"]
[ECO "C75"]
[WhiteElo "1933"]
[BlackElo "1675"]
[PlyCount "76"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. h3 Bd7 6. c3 Nge7 7. d4 Ng6 8. 0-0 Be7 9. Re1 0-0 10. Nbd2 f5 11. exf5 Bxf5 12. Bxc6 bxc6 13. dxe5 Qd7 14. exd6 Bxd6 15. Nf1 Bxh3 16. gxh3 Qxh3 17. Ng5 Qf5 18. Be3 Rae8 19. Qd4 h6 20. Ng3 Bxg3 21. fxg3 hxg5 22. Rf1 Qh3 23. Rxf8+ Rxf8 24. Bf2 Re8 25. Qc4+ Qe6 26. Qxe6+ Rxe6 27. Re1 Rxe1+ 28. Bxe1 Ne5 29. c4 Nf3+ 30. Kf2 Nxe1 31. Kxe1 c5 32. Ke2 Kf7 33. Kf3 Kf6 34. Ke4 Ke6 35. a3 a5 36. a4 c6 37. g4 g6 38. Kf3 Ke5 1/2-1/2

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.09"]
[Round "4"]
[White "Hernandez Diaz, Paula Sofia"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1796"]
[BlackElo "1933"]
[PlyCount "108"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. g3 Bb4+ 5. Bd2 c5 6. Bxb4 cxb4 7. cxd5 Qxd5 8. Bg2 0-0 9. 0-0 Qb5 10. a3 Nc6 11. e3 Rd8 12. axb4 Qxb4 13. Qc2 Bd7 14. Nc3 Rac8 15. Qe2 a6 16. Rfd1 Be8 17. Ra4 Qe7 18. Raa1 Na7 19. Rac1 Qb4 20. Ne5 Qe7 21. h4 Nb5 22. Nxb5 Bxb5 23. Qd2 Ne8 24. e4 Nd6 25. Rxc8 Nxc8 26. h5 f6 27. Ng4 h6 28. Ne3 Nb6 29. Rc1 Qd6 30. d5 exd5 31. exd5 Qe5 32. Bf3 f5 33. Re1 Qf6 34. b3 Nd7 35. Nc4 Nc5 36. Qc2 b6 37. b4 Ne4 38. Bxe4 fxe4 39. Qxe4 Re8 40. Ne5 Qg5 41. d6 Qd2 42. d7 Bxd7 43. Re2 Qc1+ 44. Re1 Qc3 45. Re3 Qc1+ 46. Kg2 Bb5 47. Qd5+ Kh7 48. Qe4+ Kg8 49. Re1 Bc6 50. Nxc6 Qxe1 51. Qc4+ Qe6 52. Qc1 Qd5+ 53. Kg1 Kh8 54. Na7 Qd7 0-1

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.08"]
[Round "2"]
[White "Mora Velasco, Alma Jaqueline"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1789"]
[BlackElo "1933"]
[PlyCount "39"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 e6 6. Bc4 Bb4 7. 0-0 Bxc3 8. bxc3 Nge7 9. Qe2 Qa5 10. e5 0-0 11. Re1 Ng6 12. h4 f6 13. exf6 gxf6 14. Bd2 Qh5 15. g3 d5 16. Bb3 Bd7 17. Be3 Kh8 18. Nd4 Qxe2 19. Nxe2 Nce5 20. Kg2 1-0

[Event "MEX-ch (Women)"]
[Site "Mexico City"]
[Date "2023.11.07"]
[Round "1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Balandran Duarte, Tania"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1933"]
[BlackElo "1713"]
[PlyCount "39"]
[EventDate "2023.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. 0-0 Bc5 8. Be3 Nxd4 9. Bxd4 Qc7 10. e5 Ng8 11. Ne4 Bxd4 12. Nd6+ Ke7 13. Qxd4 Nh6 14. Qb4 Qb8 15. Nxc8+ Kd8 16. Nb6 Qxe5 17. Bf3 Rb8 18. Rad1 d5 19. Nxd5 Nf5 20. Qc5 1-0

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.15"]
[Round "9"]
[White "Gonzalez Ochoa, Yoana"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2102"]
[BlackElo "1969"]
[PlyCount "129"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. f3 Nxd4 11. Bxd4 a5 12. Qd2 a4 13. b4 axb3 14. axb3 Qc7 15. b4 e6 16. Rfd1 Rxa1 17. Rxa1 Rc8 18. Qe3 Qd8 19. Bb6 Qe8 20. Ra7 Ra8 21. Rxb7 Ra3 22. Bd4 Qc8 23. Ra7 Rb3 24. b5 Bxb5 25. cxb5 e5 26. Bb6 Rxc3 27. Qd2 Rc2 28. Ra8 Qxa8 29. Qxc2 Bh6 30. Bf2 Qa1+ 31. Bf1 Qa3 32. Qd3 Qb4 33. b6 d5 34. Qb5 Bf8 35. b7 Qxb5 36. Bxb5 Bd6 37. exd5 Nxd5 38. Ba7 Nc3 39. Bc4 Kg7 40. b8Q Bxb8 41. Bxb8 f6 42. Kf2 Na4 43. Ba7 f5 44. Ke3 g5 45. Kd2 h5 46. Kc2 g4 47. Bb3 gxf3 48. gxf3 h4 49. Bxa4 Kh6 50. Be3+ Kg6 51. Kd2 f4 52. Bf2 Kg5 53. Kd3 h3 54. Bd7 Kh5 55. Bxh3 Kh6 56. Ke4 Kh5 57. Kxe5 Kh6 58. Kf6 Kh5 59. Bg4+ Kh6 60. Bc5 Kh7 61. Kf7 Kh6 62. Be7 Kh7 63. Bf8 Kh8 64. Bg7+ Kh7 65. Bf5# 1-0

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.14"]
[Round "7"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Catala Matienzo, Ivette"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1969"]
[BlackElo "2078"]
[PlyCount "142"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bb4 7. Ndb5 0-0 8. a3 Be7 9. Qd2 a6 10. Nd6 Qa5 11. Nc4 Qd8 12. Nd6 b5 13. Be2 Qb6 14. Be3 Qb8 15. Bc5 Ne8 16. 0-0-0 Nxd6 17. Bxd6 Bxd6 18. Qxd6 Qb6 19. f4 Rb8 20. Rd3 b4 21. Na4 Qf2 22. Bf3 bxa3 23. bxa3 Rb5 24. e5 h6 25. Nc3 Rb7 26. Ne4 Qh4 27. g3 Qd8 28. Nc5 Rc7 29. Rhd1 Na5 30. Rc3 Ra7 31. h4 Qc7 32. Na4 Qxd6 33. Rxd6 Nc6 34. Bxc6 dxc6 35. Rcxc6 Bd7 36. Rxa6 Rc7 37. Nb6 Bc6 38. Ra5 Be4 39. c4 Rb8 40. Ra4 g5 41. Rb4 gxf4 42. gxf4 Kg7 43. Kd2 Kg6 44. Ke3 Bg2 45. Rd7 Rc6 46. Rd6 Rc7 47. Kd4 Kh5 48. Nd7 Ra8 49. Rb2 Bc6 50. Nf6+ Kxh4 51. Rh2+ Kg3 52. Rxh6 Rxa3 53. Rh8 Kxf4 54. Rh4+ Kg3 55. Rg4+ Kf2 56. Rd8 Bf3 57. Rh4 Ra1 58. Rg8 Rd1+ 59. Kc3 Rc1+ 60. Kd3 R1xc4 61. Rxc4 Be2+ 62. Kd2 Bxc4 63. Ne4+ Kf3 64. Nd6 Kf4 65. Rf8 Kxe5 66. Nxf7+ Kf6 67. Nd8+ Ke7 68. Rh8 Rd7+ 69. Kc3 Bd5 70. Kd4 Rxd8 71. Rh7+ Kd6 0-1

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.14"]
[Round "6"]
[White "Laredo Ruiz, Gianny"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2139"]
[BlackElo "1969"]
[PlyCount "110"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 f6 3. Bd2 e5 4. dxe5 fxe5 5. e4 Nf6 6. exd5 Qxd5 7. Nc3 Qf7 8. Nf3 Bd6 9. Ng5 Qg8 10. Bd3 Nc6 11. 0-0 Be6 12. Nxe6 Qxe6 13. Qf3 0-0 14. Ne4 Nd4 15. Qe3 Nd5 16. Bc4 Nxe3 17. Bxe6+ Nxe6 18. Bxe3 Be7 19. Rfd1 Rfd8 20. c3 a5 21. Kf1 Kf7 22. Ke2 b6 23. Rd2 Rxd2+ 24. Nxd2 h6 25. Nc4 Kf6 26. Rd1 Rd8 27. Rxd8 Nxd8 28. Kf3 Nc6 29. Ke4 Ke6 30. a4 g5 31. Bd2 Bc5 32. f3 Be7 33. Ne3 Nd8 34. Nf5 Bf8 35. h4 Nb7 36. Be3 gxh4 37. Nxh4 Nd6+ 38. Kd3 Be7 39. Bf2 Bg5 40. g4 Kd5 41. Ng2 e4+ 42. fxe4+ Ke5 43. Bd4+ Ke6 44. b4 Nf7 45. Kc4 Nd6+ 46. Kd3 Nf7 47. bxa5 bxa5 48. Kc4 Nd6+ 49. Kc5 Nxe4+ 50. Kb5 Bd2 51. Kxa5 c5 52. Be3 Bxe3 53. Nxe3 Nxc3 54. Nf5 Kf6 55. Nxh6 Kg5 1/2-1/2

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.13"]
[Round "5"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2473"]
[BlackElo "1969"]
[PlyCount "67"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d4 cxd4 7. cxd4 exd4 8. Bf4 Nge7 9. Bd6 Qb6 10. Na3 Na5 11. e5 Nf5 12. Qe2 Nc6 13. Bc4 Nce7 14. Nb5 0-0 15. Ng5 a6 16. Bxe7 Nxe7 17. Nd6 h6 18. Ngxf7 Kh7 19. h4 Nc6 20. h5 Nxe5 21. Nxe5 Qxd6 22. hxg6+ Kh8 23. Nf7+ Rxf7 24. gxf7 b5 25. Qe4 Bb7 26. Qxb7 Rb8 27. Qd5 Qg6 28. Bb3 a5 29. a3 a4 30. Ba2 Qg4 31. Rae1 Rf8 32. Re8 Qf4 33. Rfe1 d6 34. Qa8 1-0

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.12"]
[Round "3"]
[White "Gutierrez Delgado, Yusuan Alfredo"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2322"]
[BlackElo "1969"]
[PlyCount "103"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. h3 Nxd4 11. Bxd4 Bc6 12. Qc2 a5 13. Rad1 a4 14. c5 Qa5 15. cxd6 exd6 16. a3 Rfe8 17. Bd3 Rac8 18. Rfe1 d5 19. e5 Ne4 20. f3 Nc5 21. Qf2 Nxd3 22. Rxd3 b5 23. Na2 Bf8 24. Bc3 Qa8 25. Nb4 Bb7 26. Bd4 Rc4 27. Nc2 Bc8 28. g4 Qb7 29. Kg2 Re6 30. Re2 Qc6 31. Ne3 Rxd4 32. Rxd4 Rxe5 33. Rc2 Qd7 34. Rxd5 Rxd5 35. Nxd5 Qxd5 36. Rxc8 Kg7 37. Qc2 Bd6 38. Qc3+ f6 39. Rd8 Qe6 40. Qd3 Be5 41. Rd7+ Kh6 42. Qe3+ g5 43. Qd3 f5 44. h4 gxh4 45. Kh3 Kg5 46. gxf5 Qc6 47. Qe3+ Bf4 48. Qe7+ Kxf5 49. Qxh7+ Ke5 50. Re7+ Kd6 51. Qg6+ Kc5 52. Qf5+ 1-0

[Event "Cancun Camara Cup 11th"]
[Site "Cancun"]
[Date "2023.10.11"]
[Round "1"]
[White "Fernandez Cardoso, Alexey"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2429"]
[BlackElo "1969"]
[PlyCount "65"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e5 7. Nf5 a6 8. Bg5 Be6 9. Nd5 Bxd5 10. Bxd5 Qa5+ 11. c3 Nxd5 12. exd5 Nb8 13. 0-0 Nd7 14. f4 Qb6+ 15. Kh1 h6 16. Bh4 g6 17. Ng3 Bg7 18. f5 g5 19. Nh5 Bf6 20. Bf2 Qa5 21. c4 Ke7 22. a3 Qc7 23. Rc1 b6 24. b4 Rhc8 25. c5 bxc5 26. bxc5 Qa5 27. c6 Nf8 28. Nxf6 Kxf6 29. Qh5 Qxd5 30. Qxh6+ Ke7 31. Rfd1 Qa5 32. Qxd6+ Ke8 33. Bc5 1-0

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "13.1"]
[White "Alvarez Gutierrez, Patricia"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1607"]
[BlackElo "1863"]
[PlyCount "103"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Nicaragua"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "MEX"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c6 5. Nf3 h6 6. Bh4 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 b6 10. cxd5 cxd5 11. Rc1 Bb7 12. h3 Rc8 13. Bg3 Ne4 14. Bxe4 dxe4 15. Nd2 f5 16. Nb5 Rxc1 17. Qxc1 Ba6 18. a4 Nf6 19. Rd1 Bxb5 20. axb5 Bd6 21. Bxd6 Qxd6 22. Qc6 Rd8 23. Rc1 Nd5 24. Qxd6 Rxd6 25. Rc6 Rxc6 26. bxc6 Kf7 27. Nc4 Ke7 28. Ne5 Kd6 29. g4 Nb4 30. gxf5 exf5 31. Ng6 Nxc6 32. Kg2 Ne7 33. Ne5 Nd5 34. Kg3 b5 35. Kh4 Ke6 36. Kh5 Ne7 37. b4 Kf6 38. Nd7+ Kf7 39. Nc5 Nd5 40. Na6 Nf6+ 41. Kh4 Nd5 42. Kg3 Kf6 43. h4 g5 44. hxg5+ hxg5 45. Kg2 f4 46. exf4 gxf4 47. Kf1 Kf5 48. Ke2 f3+ 49. Kd2 Kf4 50. Nc5 Nxb4 51. Ne6+ Kf5 52. Nc5 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "15.1"]
[White "Argote Heredia, Valentina"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2128"]
[BlackElo "1863"]
[PlyCount "81"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "MEX"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. c4 Nc6 6. cxd5 exd5 7. d4 c4 8. Nc3 Be7 9. Ne5 0-0 10. Bg5 Be6 11. Rc1 h6 12. Be3 a6 13. Kh1 Bd6 14. f4 Qc8 15. Bg1 Bh3 16. Qd2 Bxg2+ 17. Kxg2 h5 18. h3 Ne7 19. Qe3 Nf5 20. Qf3 h4 21. g4 Ng3 22. Rfe1 Nfe4 23. Nxd5 b5 24. Nc3 Qb7 25. Nxe4 Qxe4 26. Qxe4 Nxe4 27. Kf3 Nf6 28. e4 Bb4 29. Red1 a5 30. Bf2 Rac8 31. Bxh4 c3 32. bxc3 Bxc3 33. Bxf6 gxf6 34. Nd7 Rfd8 35. Nb6 Rc6 36. Nd5 b4 37. Ne7+ Kf8 38. Nxc6 Rd6 39. d5 Kg7 40. Rxc3 bxc3 41. Rc1 1-0

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "6.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Brown, Raehanna"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1863"]
[BlackElo "1655"]
[PlyCount "51"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Jamaica"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "JAM"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 a6 9. 0-0 d6 10. f3 Bd7 11. Qd2 Rc8 12. Rac1 Nxd4 13. Bxd4 Bc6 14. b4 b6 15. Rfd1 Nd7 16. Be3 Ne5 17. f4 Nd7 18. a3 Re8 19. Nd5 Rb8 20. Rf1 Qc8 21. Bd3 Qb7 22. Qf2 b5 23. f5 Ne5 24. Be2 bxc4 25. f6 exf6 26. Nxf6+ 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "2.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Forgas Moreno, Yaniela"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "1863"]
[BlackElo "2169"]
[PlyCount "90"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "CUB"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qb6 8. Bb3 e6 9. 0-0 Nc5 10. Re1 Be7 11. Kh1 0-0 12. f3 Nxb3 13. Nxb3 Qc7 14. Bf4 b5 15. Qd2 Bb7 16. Rad1 Rfd8 17. Qf2 b4 18. Na4 Bc6 19. Nb6 Rab8 20. Be3 d5 21. exd5 Nxd5 22. Nxd5 Bxd5 23. f4 a5 24. f5 a4 25. Nd4 e5 26. Nf3 f6 27. b3 Qc6 28. Rd2 Be4 29. Red1 Rxd2 30. Rxd2 Rd8 31. h3 Rxd2 32. Qxd2 Bxf3 33. gxf3 Qxf3+ 34. Kh2 axb3 35. cxb3 Qxf5 36. Qd5+ Kf8 37. Qa8+ Kf7 38. Qd5+ Qe6 39. Qe4 f5 40. Qg2 Bd6 41. Kh1 f4 42. Bf2 e4 43. Qf1 e3 44. Be1 Qe4+ 45. Kg1 f3 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "12.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Kaslan, Catherine"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1863"]
[BlackElo "1734"]
[PlyCount "118"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Surinam"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "SUR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. a3 Nc6 9. Nb3 b5 10. Qf3 Bb7 11. 0-0-0 Qc7 12. Kb1 h6 13. Bh4 0-0-0 14. Bf2 Kb8 15. h3 g5 16. g3 Nd7 17. Be2 Nc5 18. Rhe1 Rhg8 19. Bf1 Nxb3 20. cxb3 Na5 21. b4 Nc4 22. Bxc4 Qxc4 23. Rd4 Qc7 24. Red1 Bf6 25. R4d3 Bg7 26. Qe3 Bc6 27. Rc1 Qb7 28. e5 dxe5 29. Rxd8+ Rxd8 30. fxe5 Bd5 31. Ka1 Rc8 32. Rd1 Bc4 33. Rd6 Rc6 34. Rxc6 Qxc6 35. Qa7+ Kc8 36. Qc5 Qxc5 37. Bxc5 Bxe5 38. Ne4 f5 39. Nd6+ Kd7 40. Nxc4 bxc4 41. g4 f4 42. Kb1 Kc6 43. Kc2 Kd5 44. b3 cxb3+ 45. Kxb3 Bd4 46. Bf8 f3 47. Bxh6 f2 48. Bxg5 f1Q 49. h4 Qf3+ 50. Kc2 Qxg4 51. a4 e5 52. b5 axb5 53. axb5 Qe2+ 54. Kb3 Qxb5+ 55. Kc2 e4 56. h5 e3 57. h6 Qc6+ 58. Kd1 Qc3 59. Bxe3 Bxe3 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "4.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Perez Hernandez, Vicmary C"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1863"]
[BlackElo "1693"]
[PlyCount "134"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "VEN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. N5a3 Nf6 7. Nc3 Bb4 8. Bg5 0-0 9. Be2 h6 10. Bxf6 Qxf6 11. 0-0 Bxc3 12. bxc3 b5 13. Nb1 d6 14. Nd2 Qg6 15. Kh1 f5 16. a4 bxa4 17. Rxa4 f4 18. Bc4+ Be6 19. Bd5 Bxd5 20. exd5 Ne7 21. c4 e4 22. c5 f3 23. gxf3 exf3 24. Nxf3 Qf5 25. cxd6 Nxd5 26. Rd4 Nc3 27. Qd3 Qxf3+ 28. Qxf3 Rxf3 29. d7 Rff8 30. Re1 Rad8 31. Re6 Nb5 32. Rd2 Nc7 33. Rc6 Na8 34. Rxa6 Nc7 35. Rc6 Na8 36. c4 Rf7 37. Rcd6 Nc7 38. c5 Nb5 39. R6d5 Rf6 40. Kg2 Rc6 41. Re2 Nc7 42. Rde5 Rxd7 43. Re7 Rxe7 44. Rxe7 Rxc5 45. h4 Nd5 46. Re8+ Kf7 47. Rd8 Nf6 48. Ra8 Rc4 49. Ra5 Rxh4 50. Kg3 Rg4+ 51. Kf3 Rb4 52. Ke3 Rb3+ 53. Kd4 Rb2 54. f4 Rb4+ 55. Ke5 Nd7+ 56. Kd6 Nf6 57. f5 h5 58. Ra7+ Kg8 59. Ke6 h4 60. Ra8+ Kh7 61. Kf7 Rb7+ 62. Ke6 h3 63. Ra4 Rb3 64. Kf7 Kh6 65. Rh4+ Kg5 66. Ra4 h2 67. Kxg7 h1Q 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "14.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Ramirez Luzon, Franchesca"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "1863"]
[BlackElo "1687"]
[PlyCount "59"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Dominican Republic"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "DOM"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nf3 Be7 8. Bxf6 Bxf6 9. Nd5 0-0 10. Be2 Nc6 11. c3 g6 12. Qd2 Bg7 13. Rd1 Be6 14. 0-0 Bxd5 15. Qxd5 Qb6 16. b3 Rad8 17. Nd2 Ne7 18. Qd3 d5 19. exd5 Nxd5 20. Nc4 Qc7 21. Rc1 Nf4 22. Qe3 Nxe2+ 23. Qxe2 b5 24. Ne3 e4 25. c4 bxc4 26. Rxc4 Qb6 27. Rxe4 Qa5 28. Ra4 Qe5 29. Qf3 Rd2 30. Nc4 1-0

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "8.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Vasquez Vasquez, Marielos"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1863"]
[BlackElo "1713"]
[PlyCount "102"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "El Salvador"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "ESA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Bd7 11. f3 Bc6 12. Qd2 Nd7 13. Be3 a5 14. Rad1 Nc5 15. b3 Be5 16. g3 f5 17. exf5 Rxf5 18. Bxc5 Bxc3 19. Qxc3 Rxc5 20. Qe3 Re5 21. Qxe5 dxe5 22. Rxd8+ Rxd8 23. Rd1 Rxd1+ 24. Bxd1 e4 25. f4 Kf7 26. Kf2 Kf6 27. Ke3 e5 28. a3 exf4+ 29. Kxf4 g5+ 30. Ke3 Ke5 31. Bc2 h6 32. b4 b6 33. Bd1 Kf5 34. Kd4 Kf6 35. Bg4 Bb7 36. c5 bxc5+ 37. bxc5 Bc6 38. Bc8 a4 39. Bg4 Kg6 40. Be6 Kf6 41. Bg4 Kg6 42. Bd1 Kf5 43. Bc2 g4 44. Bb1 h5 45. Bc2 h4 46. gxh4 Kf4 47. Bd1 e3 48. Be2 Bf3 49. Bc4 e2 50. Bxe2 Bxe2 51. c6 Ba6 1-0

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "1.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Viana, Valeria"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1863"]
[BlackElo "1620"]
[PlyCount "67"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Honduras"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "HON"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bf5 7. c4 Qd8 8. 0-0 Be7 9. Nc3 0-0 10. Bf4 c6 11. a3 Nbd7 12. Qd2 Ne4 13. Nxe4 Bxe4 14. Rfd1 Nf6 15. Rac1 Bxf3 16. Bxf3 Qd7 17. g4 Ne8 18. Bg3 Bd6 19. Bh4 Be7 20. Bg3 Nd6 21. h4 Qd8 22. h5 Bg5 23. Bf4 Bxf4 24. Qxf4 Qe7 25. Re1 Rfd8 26. d5 cxd5 27. cxd5 Qf6 28. Qxf6 gxf6 29. dxe6 fxe6 30. Rxe6 Kf7 31. Rce1 Rd7 32. Bd5 Kg7 33. Re7+ Rxe7 34. Rxe7+ 1-0

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "10.1"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Wilson, Hannah"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1863"]
[BlackElo "1511"]
[PlyCount "140"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Barbados"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "BAR"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. f3 Bd7 10. Qd2 a5 11. Rd1 a4 12. 0-0 Qa5 13. Rfe1 Rfc8 14. Bf1 Nxd4 15. Bxd4 Be6 16. b3 axb3 17. axb3 Qb4 18. Rb1 Ra3 19. Qb2 Rca8 20. h3 Bh6 21. Nd5 Nxd5 22. cxd5 Bd7 23. Bc3 Qb6+ 24. Bd4 Qa5 25. b4 Qa4 26. Bc4 b5 27. Bb3 Qa6 28. Qf2 Qb7 29. f4 R3a6 30. f5 Bg7 31. f6 exf6 32. Bxf6 Bxf6 33. Qxf6 Qb6+ 34. Kh1 Re8 35. Rf1 Rf8 36. Rbc1 Qe3 37. Bc2 Ra2 38. Rce1 Qg3 39. Qf2 Qxf2 40. Rxf2 Rc8 41. Ree2 Rc4 42. Bb3 Ra1+ 43. Kh2 Rxb4 44. Rf3 Ra3 45. Bd1 Rxf3 46. gxf3 Rb1 47. Bc2 Rb2 48. Bd3 Rxe2+ 49. Bxe2 b4 50. Bd1 Bb5 51. Bb3 Kg7 52. Kg3 Kf6 53. f4 h5 54. h4 Be2 55. Kf2 Bd3 56. Ke3 Bb5 57. Kd4 Be2 58. Bc2 Bf1 59. e5+ dxe5+ 60. fxe5+ Ke7 61. d6+ Kd7 62. Ba4+ Kd8 63. Kd5 Bg2+ 64. Kc5 Be4 65. Kxb4 Bd5 66. Kc5 Be6 67. Bc6 Bc8 68. Bd5 Be6 69. Bc4 Bxc4 70. Kxc4 g5 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "7.1"]
[White "Hernandez Alvarez, Tania Regla"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2001"]
[BlackElo "1863"]
[PlyCount "104"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4 7. 0-0 Nge7 8. Bg5 0-0 9. Qe2 Bxc3 10. bxc3 Qc7 11. Rfd1 a6 12. a4 Ng6 13. g3 f6 14. Be3 Nce5 15. Nxe5 Nxe5 16. Ba2 Kh8 17. c4 Nc6 18. Bc5 Re8 19. Bd6 Qa5 20. Bb1 b5 21. cxb5 axb5 22. Bc2 b4 23. e5 Ba6 24. Qh5 h6 25. Qg6 f5 26. g4 Nxe5 27. Bxe5 Qxe5 28. gxf5 Qf6 29. fxe6 Qxg6+ 30. Bxg6 Rxe6 31. Bh5 Re5 32. Bf3 Rf8 33. Bg2 d5 34. Rxd5 Rxd5 35. Bxd5 Rd8 36. Bf3 b3 37. Rb1 Bc4 38. Rb2 Rd3 39. Kg2 Rc3 40. a5 Rc2 41. Rb1 b2 42. Be4 Rd2 43. a6 Bxa6 44. Kf3 Bb5 45. Ke3 Re2+ 46. Kf3 g5 47. h3 Kg7 48. Bd5 Rd2 49. Ba2 Bd3 50. Ke3 Bxb1 51. Bxb1 Rd1 52. Bc2 b1Q 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "5.1"]
[White "Johnson, Gabriella"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1724"]
[BlackElo "1863"]
[PlyCount "146"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Trinidad and Tobago"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "TRI"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. b4 Nxb4 7. Bb2 a6 8. Bf1 Nc6 9. Na3 Nge7 10. Nc4 d6 11. Rb1 0-0 12. h3 b5 13. Ne3 Be6 14. c3 Bxa2 15. Ra1 Be6 16. d4 cxd4 17. cxd4 d5 18. Nxe5 Nxe5 19. dxe5 dxe4 20. Qc2 Qb6 21. Qxe4 Rfd8 22. Rac1 Nd5 23. Nxd5 Bxd5 24. Qg4 Be6 25. Qg3 a5 26. Rb1 b4 27. Qf3 Qa7 28. Bb5 Rab8 29. Ba4 Bd5 30. Qe2 Be6 31. Red1 Qc7 32. Rdc1 Qa7 33. Ba1 Qe7 34. Bb3 Bf5 35. Rb2 Qxe5 36. Qxe5 Bxe5 37. Ra2 Bxa1 38. Rcxa1 Ra8 39. Rxa5 Rxa5 40. Rxa5 Rd3 41. Bc2 Rc3 42. Bxf5 gxf5 43. Rb5 b3 44. Kh2 Kg7 45. Rxf5 b2 46. Rb5 Rc2 47. f3 Kg6 48. Kg3 f5 49. Rb3 h5 50. h4 Kf6 51. Rb5 Ke6 52. Kf4 Rxg2 53. Ke3 Rh2 54. Rb3 Ke5 55. Rb5+ Kd6 56. Rb3 Kc5 57. Kd3 Rxh4 58. Rxb2 Rh3 59. Rf2 Kd5 60. Ke3 Ke5 61. Rg2 f4+ 62. Kf2 Kf5 63. Kg1 Rxf3 64. Rh2 Kg4 65. Rg2+ Rg3 66. Rxg3+ fxg3 67. Kg2 h4 68. Kg1 Kf3 69. Kf1 g2+ 70. Kg1 h3 71. Kh2 Kf2 72. Kxh3 g1Q 73. Kh4 Kf3 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "11.1"]
[White "Seine, Rose Berline"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1652"]
[BlackElo "1863"]
[PlyCount "47"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Haiti"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "HAI"]
[BlackTeamCountry "MEX"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. cxd5 exd5 6. Bg5 h6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 0-0 12. 0-0 Re8 13. Rac1 Nbd7 14. Na4 Ne4 15. a3 a5 16. Nd2 b5 17. Nc3 Ndf6 18. Qc2 Nxd2 19. Qxd2 b4 20. axb4 axb4 21. Ne2 Ne4 22. Qc2 Ra6 23. Rb1 Rea8 24. Ra1 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "3.1"]
[White "Vasquez Jaen, Lourdes Lorena"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1622"]
[BlackElo "1863"]
[PlyCount "44"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. Na3 Nge7 7. Be2 0-0 8. Nc4 Qc7 9. Ne3 d6 10. b3 f5 11. Bc4+ Kh8 12. Nd5 Qd8 13. d4 fxe4 14. Ng5 cxd4 15. cxd4 Nxd4 16. Nxe4 a6 17. Bg5 Ndc6 18. Ndf6 b5 19. Bd5 Bf5 20. Qf3 Nxd5 21. Nxd5 Bxe4 22. Bxd8 Bxf3 0-1

[Event "Caribbean-chT Blitz 24th"]
[Site "San Salvador"]
[Date "2023.07.06"]
[Round "9.1"]
[White "Vazquez Maccarini, Danitza"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2014"]
[BlackElo "1863"]
[PlyCount "45"]
[EventDate "2023.07.06"]
[EventType "tourn (blitz)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. Be2 Nf6 6. Na3 Bf5 7. d4 cxd4 8. Nb5 0-0-0 9. cxd4 e6 10. 0-0 Bb4 11. a3 Ba5 12. Be3 a6 13. Nc3 Qd6 14. b4 Bc7 15. b5 Ne7 16. bxa6 bxa6 17. Qa4 Nc6 18. Qxa6+ Kd7 19. Nb5 Qd5 20. Nxc7 Kxc7 21. Rac1 Ra8 22. Bf4+ Kd7 23. Qb7+ 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.05"]
[Round "12.2"]
[White "Castillo Beitia, Ashley Alexandra"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1889"]
[BlackElo "1889"]
[PlyCount "266"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "MEX"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 h6 7. Bh4 Be7 8. e3 0-0 9. Bd3 Re8 10. Nge2 a5 11. 0-0 b5 12. a3 Nbd7 13. f3 Ba6 14. h3 Qb6 15. Bf2 c5 16. Bf5 Rad8 17. Rfd1 b4 18. axb4 axb4 19. Na4 Qb5 20. Nf4 c4 21. b3 Bd6 22. g3 Re7 23. h4 Bb7 24. Bh3 Rde8 25. Bf1 Ba6 26. Nb2 Nb6 27. bxc4 dxc4 28. e4 b3 29. Qc1 Bb4 30. d5 Bc5 31. Ne2 Bxf2+ 32. Kxf2 Qc5+ 33. Kg2 Bb7 34. Nd4 Rc8 35. Qc3 Bxd5 36. Nf5 Rd7 37. Ra5 Qc7 38. exd5 Rcd8 39. Bxc4 Rxd5 40. Raxd5 Rxd5 41. Rxd5 Nbxd5 42. Qxb3 Qe5 43. Qd3 Qxf5 44. Qxf5 Ne3+ 45. Kf2 Nxf5 46. Nd3 Nd6 47. Ne5 Kf8 48. Bd3 Nd5 49. f4 Ke7 50. Kf3 Nb4 51. Bb1 f6 52. Ng4 Nc4 53. Bg6 Nd6 54. Ne3 Nc6 55. Nf5+ Nxf5 56. Bxf5 Kd6 57. Ke3 Ne7 58. Be4 f5 59. Bb1 Ke6 60. Kd4 Kf6 61. Bc2 Nc6+ 62. Kc5 Nd8 63. Kd5 Ne6 64. Bd1 g6 65. Kc4 Ng7 66. Kd3 Ne8 67. Ke3 Nd6 68. g4 fxg4 69. Bxg4 h5 70. Bd7 Nc4+ 71. Ke4 Nd2+ 72. Ke3 Nb3 73. Bc8 Nc5 74. Kd4 Nb3+ 75. Ke4 Nd2+ 76. Ke3 Nc4+ 77. Kf3 Nd6 78. Ba6 Nf5 79. Bb7 Nxh4+ 80. Kg3 Nf5+ 81. Kf3 Nd6 82. Bc6 Nf5 83. Bb7 Nd4+ 84. Kg3 Ne6 85. Kf3 Nc5 86. Bc6 Nb3 87. Bb7 Nd4+ 88. Ke4 Nf5 89. Kf3 g5 90. fxg5+ Kxg5 91. Kg2 h4 92. Kh3 Nd6 93. Bf3 Nc4 94. Ba8 Ne3 95. Be4 Nc4 96. Ba8 Ne5 97. Be4 Kh5 98. Bd5 Nd3 99. Bb7 Kg5 100. Bf3 Nf4+ 101. Kh2 Ne6 102. Kh3 Nd4 103. Ba8 Ne6 104. Bf3 Nf4+ 105. Kh2 Kf5 106. Kg1 Ke5 107. Kf2 Nh3+ 108. Kg2 Ng5 109. Ba8 Kf4 110. Kh2 Kg4 111. Bb7 Nh7 112. Bf3+ Kg5 113. Kh3 Nf6 114. Ba8 Nd7 115. Bc6 Ne5 116. Be4 Nc4 117. Ba8 Nd2 118. Bb7 Nf1 119. Ba8 Ng3 120. Bf3 Nf5 121. Be4 Nd4 122. Ba8 Ne6 123. Bf3 Nf4+ 124. Kh2 Kf5 125. Kg1 Ne6 126. Kh2 Ng5 127. Ba8 Kg4 128. Kg2 Kf4 129. Bb7 Kg4 130. Ba8 Kf5 131. Bb7 Ke5 132. Ba8 Kd4 133. Kf2 Kd3 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.05"]
[Round "11.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Granados Ortiz, Maria Jose"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1889"]
[BlackElo "1601"]
[PlyCount "43"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Nicaragua"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "NCA"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 0-0 8. Nge2 Nc6 9. Be3 f5 10. Qd2 Bf6 11. f4 Re8 12. 0-0 Qe7 13. Bf2 a6 14. Rae1 Qf7 15. b3 d5 16. c5 Nd7 17. Nxd5 Bd8 18. Bc4 Kh8 19. Nxc7 Qf8 20. Nxa8 Na5 21. Bd5 Nf6 22. Nc3 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.05"]
[Round "15.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Jean Francois, Valencia"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1889"]
[BlackElo "1336"]
[PlyCount "137"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Haiti"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "HAI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. c3 Be7 8. 0-0 0-0 9. Re1 Bg4 10. h3 Bh5 11. Nbd2 d5 12. exd5 Nxd5 13. Ne4 f5 14. Ng3 Bf7 15. Nxf5 Bf6 16. a4 b4 17. Bd2 bxc3 18. bxc3 Qd7 19. Ng3 Nf4 20. d4 Rab8 21. Bxf7+ Qxf7 22. dxe5 Nd3 23. exf6 Nxe1 24. Bxe1 Qxf6 25. Qd5+ Kh8 26. Ne4 Qh6 27. Bd2 Qg6 28. Bg5 Nd8 29. Nh4 Qb6 30. Rd1 c6 31. Qc5 Qxc5 32. Nxc5 Ra8 33. Bxd8 Raxd8 34. Rxd8 Rxd8 35. Nxa6 Rd1+ 36. Kh2 Rc1 37. Nc7 Rxc3 38. a5 Ra3 39. a6 c5 40. Nf5 c4 41. Nd4 Kg8 42. Ndb5 Ra1 43. Kg3 Kf7 44. Nd6+ Ke7 45. Nxc4 Kd7 46. Nd5 Rxa6 47. f4 Rc6 48. Ne5+ Kd6 49. Nxc6 Kxd5 50. Nb4+ Ke6 51. Kf3 Kf5 52. g4+ Kg6 53. Nd3 h6 54. Ke4 Kf6 55. h4 g5 56. h5 gxf4 57. Nxf4 Kg5 58. Kf3 Kh4 59. Ng6+ Kg5 60. Kg3 Kf6 61. Kf4 Kg7 62. Kf5 Kh7 63. Kf6 Kg8 64. Nh4 Kh7 65. Nf5 Kh8 66. Kg6 Kg8 67. Kxh6 Kh8 68. Nh4 Kg8 69. Ng6 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.05"]
[Round "13.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Palacios, Celina Maria"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "1889"]
[BlackElo "1664"]
[PlyCount "137"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "El Salvador"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "ESA"]

1. e4 c5 2. d4 g6 3. d5 Bg7 4. Nc3 d6 5. f4 Nf6 6. Bb5+ Bd7 7. Bd3 a6 8. a4 e6 9. Nf3 exd5 10. exd5 0-0 11. 0-0 Ng4 12. Bc4 Qa5 13. Ne4 Qc7 14. h3 Nf6 15. Nc3 a5 16. Re1 Re8 17. Rxe8+ Bxe8 18. f5 Na6 19. Bf4 Nb4 20. Qd2 Bd7 21. fxg6 hxg6 22. Re1 Re8 23. Rxe8+ Bxe8 24. b3 Nh5 25. Bh2 Qe7 26. Ne2 Nf6 27. Nc3 b6 28. Bg3 Bf8 29. Bh4 Bg7 30. Ne2 Qe4 31. c3 Nbxd5 32. Ng3 Qe3+ 33. Qxe3 Nxe3 34. Bd3 d5 35. Bg5 Nd1 36. c4 dxc4 37. Bxc4 Nb2 38. Bxf6 Bxf6 39. Bd5 b5 40. axb5 Bd8 41. Ne4 Bxb5 42. Ne5 Be8 43. Kf2 a4 44. bxa4 Nxa4 45. Kf3 Nb6 46. Ba2 Kg7 47. Nd6 Ba4 48. Nec4 Nxc4 49. Bxc4 f5 50. g4 fxg4+ 51. hxg4 Bd1+ 52. Ke4 Bxg4 53. Kd5 Be7 54. Kxc5 Bxd6+ 55. Kxd6 Bf3 56. Ke5 Kh6 57. Kf4 Ba8 58. Kg3 Kg5 59. Bd3 Bd5 60. Bc2 Kf6 61. Bd3 g5 62. Be2 Be4 63. Bd1 Bf5 64. Be2 Ke5 65. Bd1 Ke4 66. Bf3+ Ke3 67. Bc6 Ke2 68. Bd5 Ke3 69. Bc6 1/2-1/2

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.05"]
[Round "14.2"]
[White "Morales Santos, Natasha"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1876"]
[BlackElo "1889"]
[PlyCount "139"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "MEX"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Bg3 Re8 10. h3 Nbd7 11. Nf3 Bb4 12. Qc2 Ne4 13. Bxe4 dxe4 14. Nd2 Nf6 15. 0-0 Bf5 16. a3 Bd6 17. Bxd6 Qxd6 18. f4 h5 19. Rac1 Rac8 20. b4 Qd7 21. Nc4 Nd5 22. Qf2 f6 23. Rc2 Nc7 24. Na5 Ne6 25. Nb3 Qf7 26. Nc5 Nd8 27. Rb1 b6 28. Nb3 Nb7 29. Ne2 Nd6 30. Nd2 Be6 31. Rbc1 Qd7 32. Ng3 Bf7 33. Qe2 h4 34. Ngf1 Nf5 35. Nh2 Ng3 36. Qe1 Bh5 37. Ndf1 Nf5 38. Rc3 Bf7 39. Ng4 Be6 40. Nf2 Bd5 41. Nd1 Ra8 42. Nb2 a5 43. Nc4 Bxc4 44. Rxc4 axb4 45. axb4 Rec8 46. Qc3 Ne7 47. Qc2 Qd5 48. Nd2 f5 49. Nf1 Ra3 50. Qf2 Ng6 51. Qc2 Ne7 52. Qf2 Ng6 53. Qc2 Ne7 54. Qf2 Ng6 55. Qb2 Rca8 56. Rxc6 Ra2 57. Qc3 Ne7 58. Rc7 Qe6 59. Qc4 Nd5 60. Rc6 Qf7 61. Rc8+ Kh7 62. Rxa8 Rxa8 63. Qc6 Ra3 64. b5 Nb4 65. Qd6 Qb3 66. Qe5 Nd5 67. Qxf5+ g6 68. Qf7+ Kh6 69. Rc8 Nxe3 70. Rh8# 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.04"]
[Round "9.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Miranda Llanes, Yerisbel"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1889"]
[BlackElo "2235"]
[PlyCount "84"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "CUB"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 Be7 10. Bf2 Qc7 11. Qf3 Nbd7 12. 0-0-0 b5 13. h4 h5 14. Bd3 Bb7 15. Rhe1 Nc5 16. Qe2 0-0 17. e5 Nxd3+ 18. Rxd3 dxe5 19. fxe5 Ng4 20. Bg3 Rfd8 21. Red1 Rac8 22. Kb1 Bd5 23. Nf3 Bc4 24. Rxd8+ Bxd8 25. Qe4 Be7 26. Ng5 g6 27. Qf4 Bf8 28. Nge4 Bh6 29. Nf6+ Nxf6 30. Qxf6 Bg7 31. Qg5 Bd5 32. Rd2 Bc6 33. Qf4 a5 34. Qd4 Bf8 35. Ne4 Bxe4 36. Qxe4 b4 37. axb4 axb4 38. Bf4 Qa5 39. Bg5 Ra8 40. c3 b3 41. Qxa8 Qxa8 42. Rd8 Qe4+ 0-1

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.04"]
[Round "7.2"]
[White "Mejia, Camila"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1249"]
[BlackElo "1889"]
[PlyCount "87"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Honduras"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "HON"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bb5 cxd4 7. Nxd4 Qxg2 8. Bxc6+ bxc6 9. Qf3 Qxf3 10. Nxf3 c5 11. Be3 Bb7 12. Nbd2 e6 13. 0-0-0 a5 14. Rhe1 a4 15. a3 h5 16. h4 Ng4 17. Ng5 Be7 18. Nde4 Bxe4 19. Nxe4 Nxe3 20. Rxe3 Bxh4 21. Nxc5 Bg5 22. c4 h4 23. Kc2 Bxe3 24. fxe3 Rc8 25. Nxa4 Rxc4+ 26. Kb3 Re4 27. Re1 Ke7 28. Nc5 Rb8+ 29. Kc3 Re5 30. b4 h3 31. Kd4 Rh5 32. Ke4 Ra8 33. a4 Rh4+ 34. Kf3 Rxb4 35. Kg3 Rc4 36. Nd3 Rh8 37. Rh1 Rxa4 38. Nf4 Ra3 39. Nxh3 Rxe3+ 40. Kg2 Rexh3 41. Rxh3 Rxh3 42. Kxh3 f5 43. Kg3 g5 44. Kf3 0-1

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.04"]
[Round "10.2"]
[White "Ramirez Luzon, Franchesca"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1643"]
[BlackElo "1889"]
[PlyCount "63"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Dominican Republic"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "DOM"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Bc4 Bg7 7. 0-0 d6 8. Re1 Nh6 9. h3 0-0 10. c3 Kh8 11. Bg5 f6 12. Be3 a5 13. a4 Rb8 14. Qd2 Nf7 15. f4 Bb7 16. Na3 d5 17. exd5 cxd5 18. Bf1 Nd6 19. Nb5 Ne4 20. Qc2 e5 21. Rad1 Bc6 22. Bd3 Qe7 23. Na7 Ba8 24. Nb5 Nc5 25. Bxc5 Qxc5+ 26. Kh1 Rbc8 27. Qd2 Bh6 28. Qe2 Bxf4 29. Bc2 Bc6 30. Na3 Rb8 31. Bb1 Bxa4 32. Bc2 0-1

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.03"]
[Round "5.2"]
[White "Argote Heredia, Valentina"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2035"]
[BlackElo "1889"]
[PlyCount "107"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Colombia"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. f3 Nh5 9. Qd2 Nxd4 10. Bxd4 Bxd4 11. Qxd4 e5 12. Qd2 Qh4+ 13. g3 Qd8 14. 0-0-0 Be6 15. Qxd6 Qxd6 16. Rxd6 Ke7 17. Rd2 Rhc8 18. b3 f5 19. Kb2 Nf6 20. Bg2 Rd8 21. Nd5+ Bxd5 22. exd5 Kd6 23. Re1 Rac8 24. Rde2 Re8 25. Bh3 h5 26. Bg2 Rc7 27. Rc2 Rec8 28. Rec1 a5 29. a3 b6 30. h3 Kc5 31. g4 hxg4 32. hxg4 Rh7 33. Re1 Kd6 34. gxf5 gxf5 35. Bf1 Rg8 36. Bd3 Rh5 37. Rce2 Nd7 38. Bc2 Rg3 39. Rf2 Kc5 40. Ree2 Kd4 41. Bd1 Rh1 42. Rd2+ Kc5 43. Bc2 Rh5 44. d6 Rg6 45. b4+ axb4 46. Rd5+ Kc6 47. Ba4+ Kb7 48. Bxd7 bxa3+ 49. Kxa3 Rg7 50. Bb5 Rg8 51. Rxe5 Rh1 52. Re7+ Kc8 53. d7+ Kc7 54. Re8 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.03"]
[Round "3.2"]
[White "Figueroa, Julissa"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1634"]
[BlackElo "1889"]
[PlyCount "84"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Barbados"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "BAR"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7. Be2 d6 8. 0-0 0-0 9. Re1 Be6 10. Bf1 Rc8 11. Nd5 Re8 12. c3 Ne5 13. Bb5 Rf8 14. Nxf6+ Bxf6 15. Bh6 Bg7 16. Bxg7 Kxg7 17. Nd4 Qb6 18. Qd2 Bc4 19. Ba4 Nd3 20. Re3 Qxb2 21. Qxb2 Nxb2 22. Bc2 Ba6 23. Rb1 Nc4 24. Ree1 Rc7 25. Rb4 Rfc8 26. Nb5 Bxb5 27. Rxb5 Na3 28. Rb2 Nxc2 29. Rxc2 Rxc3 30. Rb2 b6 31. h3 g5 32. Ree2 Kf6 33. Rbd2 R8c5 34. f3 b5 35. Kf2 h5 36. Rb2 a5 37. Red2 b4 38. Ke2 Ke5 39. g3 g4 40. fxg4 hxg4 41. h4 Rxg3 42. Kf2 Rh3 0-1

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.03"]
[Round "2.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Johnson, Adaya"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1889"]
[BlackElo "1344"]
[PlyCount "29"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Trinidad and Tobago"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "TRI"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Bxc6 dxc6 6. Nxe5 Qf6 7. 0-0 Bd6 8. f4 Ne7 9. Nc3 0-0 10. Nxe4 Qf5 11. Ng3 Qe6 12. Qd3 Bxe5 13. dxe5 Nd5 14. c4 Nb6 15. b3 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.03"]
[Round "4.2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Wijnhard, Joelle"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1889"]
[BlackElo "1311"]
[PlyCount "75"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Mexico"]
[BlackTeam "Surinam"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "SUR"]

1. e4 d5 2. exd5 Qxd5 3. d4 Qd8 4. Nf3 Nf6 5. Nc3 Bg4 6. Be2 e6 7. h3 Bxf3 8. Bxf3 c6 9. 0-0 Be7 10. Re1 0-0 11. Bf4 Nd5 12. Nxd5 cxd5 13. Qe2 Bd6 14. Be3 Qc7 15. Rac1 Bf4 16. c4 Bxe3 17. fxe3 dxc4 18. Rxc4 Qe7 19. Rec1 Nc6 20. Bxc6 bxc6 21. Rxc6 h6 22. Qf3 Rad8 23. a3 Rd5 24. Rc7 Rd7 25. R7c5 Rfd8 26. b4 a6 27. Rc8 Rxc8 28. Rxc8+ Kh7 29. Qe4+ g6 30. Qa8 Kg7 31. Qxa6 Qg5 32. Qd3 Qh4 33. Rc1 Rd5 34. e4 Rg5 35. Rf1 h5 36. Qf3 Kh6 37. Qf6 Qg3 38. Qh8# 1-0

[Event "Caribbean-chT Rapid 24th"]
[Site "San Salvador"]
[Date "2023.07.03"]
[Round "1.2"]
[White "Otazo Sanchez, Annyd Gabriela"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1890"]
[BlackElo "1889"]
[PlyCount "97"]
[EventDate "2023.07.03"]
[EventType "tourn (rapid)"]
[EventRounds "15"]
[EventCountry "ESA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Venezuela"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "VEN"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4 7. 0-0 Nge7 8. Bb3 0-0 9. Bf4 Ng6 10. Bg3 d6 11. Rc1 e5 12. Nd5 Bc5 13. a3 Bg4 14. h3 Bxf3 15. Qxf3 Nd4 16. Qd3 Rc8 17. Ba2 Ne6 18. b4 Bd4 19. Rxc8 Qxc8 20. Kh2 Kh8 21. f4 exf4 22. Nxf4 Ngxf4 23. Bxf4 Be5 24. Bxe5 dxe5 25. Rxf7 Nd4 26. Qf1 Rxf7 27. Qxf7 a6 28. Qd5 Nc6 29. Qf7 Qb8 30. Bd5 Qc8 31. a4 Nxb4 32. Bxb7 Qb8 33. a5 h6 34. Bd5 Nd3 35. Be6 Nf4 36. Bf5 Qg8 37. Qxg8+ Kxg8 38. Bc8 Nd3 39. Bxa6 Nc5 40. Bc4+ Kf8 41. Bd5 Ke7 42. Kg3 Kd6 43. Kg4 Nd7 44. a6 Kc7 45. a7 Nf6+ 46. Kf5 Nxd5 47. exd5 Kb7 48. Kxe5 Kxa7 49. Ke6 1-0

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "7"]
[White "Forgas Moreno, Yaniela"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2223"]
[BlackElo "1858"]
[PlyCount "79"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Qd2 h5 7. Bg2 Nf6 8. h3 Bd7 9. Nf3 Rb8 10. d4 cxd4 11. Nxd4 a6 12. f4 h4 13. g4 Rc8 14. 0-0 Nxd4 15. Bxd4 Bc6 16. Qf2 0-0 17. Qxh4 b5 18. a3 a5 19. Rae1 b4 20. axb4 axb4 21. Nd1 Bb5 22. Rf2 Rc4 23. c3 bxc3 24. Bxc3 Qb6 25. g5 Nh5 26. Ne3 Rxc3 27. bxc3 Bxc3 28. Nd5 Qa5 29. Nxc3 Qxc3 30. Rf3 Qd4+ 31. Qf2 Qb4 32. f5 Rc8 33. fxg6 fxg6 34. h4 Bd7 35. Rf1 Qb8 36. Qd4 Bg4 37. Rf7 e5 38. Qd5 Kh8 39. Rb7 Qa8 40. Qf7 1-0

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "3"]
[White "Fuentes Godoy, Lilia Ivonne"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2096"]
[BlackElo "1858"]
[PlyCount "31"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. g3 0-0 7. Bg2 Nbd7 8. 0-0 c5 9. cxd5 exd5 10. dxc5 Nxc5 11. Rc1 Nce4 12. Nd4 Bd7 13. Nxe4 dxe4 14. Qb3 Qb6 15. Rfd1 Qxb3 16. Nxb3 1/2-1/2

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Brown, Raehanna"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1858"]
[BlackElo "1590"]
[PlyCount "63"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Nxd5 cxd5 12. c3 Qd6 13. Qd2 Rd8 14. Rad1 Ba6 15. f4 e6 16. Rfe1 Bxe2 17. Qxe2 Qc7 18. Qf2 Qa5 19. a3 Rdc8 20. g4 Rc4 21. h3 Bh6 22. Bd4 Qc7 23. Be5 Qb7 24. Re2 Re8 25. Rde1 Bf8 26. Bd4 a6 27. f5 Rc6 28. Qf4 Qd7 29. Qe5 f6 30. Qxf6 gxf5 31. Qh8+ Kf7 32. Qxh7+ 1-0

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "11"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Chirivi Castiblanco, Jenny Astrid"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1858"]
[BlackElo "2024"]
[PlyCount "76"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Qd3 Qc7 7. Nc3 Bb4 8. Bd2 Nc6 9. Nxc6 dxc6 10. Be2 e5 11. 0-0 0-0 12. h3 Rd8 13. Qe3 Be7 14. Rad1 Be6 15. Qg3 Ne8 16. f4 exf4 17. Bxf4 Qb6+ 18. Kh1 Rxd1 19. Nxd1 Rd8 20. b3 Qd4 21. Nf2 Qb2 22. Bg4 Bxg4 23. Nxg4 Qe2 24. Rf2 Rd1+ 25. Kh2 Qe1 26. Qf3 Bh4 27. Qxd1 Qxd1 28. g3 Be7 29. Rd2 Qe1 30. e5 Bc5 31. Rg2 h5 32. b4 Qxb4 33. Ne3 Bxe3 34. Bxe3 Qxc4 35. Bf4 Nc7 36. Bg5 Ne6 37. Be7 Qe4 38. Bd6 c5 0-1

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "9"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Diaz Charpentier, Kristel Melissa"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1858"]
[BlackElo "1823"]
[PlyCount "94"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. f3 Bd7 10. Qd2 Rc8 11. Ncb5 a6 12. Nxc6 bxc6 13. Nd4 c5 14. Nb3 c4 15. Nc1 c3 16. bxc3 Nxe4 17. fxe4 Bxc3 18. Qd1 Bxa1 19. Bxa6 Rb8 20. Bc4 Be6 21. Bxe6 fxe6 22. Nd3 Rxf1+ 23. Qxf1 Bg7 24. Nf4 Qc8 25. Qd1 Rb2 26. Qg4 Rb1+ 27. Kf2 Qxc2+ 28. Kg3 Qxe4 29. Qxe6+ Qxe6 30. Nxe6 Be5+ 31. Kf3 Ra1 32. Bb6 Rxa2 33. Bd8 Bf6 34. Nf4 Ra3+ 35. Ke2 Kf7 36. Bb6 g5 37. Nd3 e5 38. Nf2 Ra2+ 39. Kf3 h5 40. g4 hxg4+ 41. Kxg4 d5 42. Bc5 Kg6 43. h3 e4 44. Kg3 Be5+ 45. Kg4 Ra1 46. h4 Rg1+ 47. Kh3 Rg3+ 0-1

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "6"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Gonzalez Peguero, Mary Loly"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1858"]
[BlackElo "1679"]
[PlyCount "113"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd2 e5 6. h3 Qc7 7. Be2 Be7 8. 0-0 Nbd7 9. Be3 a5 10. a3 0-0 11. a4 Re8 12. d5 Nf8 13. Qd2 Bd7 14. Nh2 Ng6 15. Rfd1 Rac8 16. Rac1 Rf8 17. Nf1 Ne8 18. Ng3 Nh4 19. Bg5 Qd8 20. Bxe7 Qxe7 21. dxc6 bxc6 22. b3 Be6 23. Qe3 Rb8 24. Bg4 f5 25. exf5 Nxf5 26. Nxf5 Bxf5 27. Bxf5 Rxf5 28. Qe4 Qd7 29. Ne2 d5 30. Ng3 Rg5 31. Qe3 Rg6 32. Qxe5 Rb4 33. Re1 Nf6 34. Rcd1 Qa7 35. Qe6+ Kh8 36. Qc8+ Ng8 37. Re8 Qf7 38. Rf8 Qe6 39. Qxe6 Rxe6 40. Ra8 h6 41. Rxa5 Nf6 42. Ra8+ Kh7 43. a5 Rb5 44. Ra1 Re7 45. a6 Ne8 46. Nf5 Re2 47. Rxe8 Rxe8 48. Nd6 Ra8 49. Nxb5 cxb5 50. Ra5 d4 51. Kf1 Kg6 52. Ke2 Kf6 53. Rxb5 Rxa6 54. Rd5 Rc6 55. Kd2 Ke6 56. Rxd4 Ke5 57. Rd3 1-0

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "4"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Miranda Llanes, Yerisbel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1858"]
[BlackElo "2269"]
[PlyCount "69"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. h3 h6 9. c3 0-0 10. d4 Bb6 11. Bc2 Bb7 12. Be3 exd4 13. cxd4 Nb4 14. Nbd2 Nxc2 15. Qxc2 Re8 16. e5 Nd5 17. Rae1 Rc8 18. Qf5 Re6 19. h4 Qe8 20. h5 Rd8 21. Qg4 Nxe3 22. fxe3 dxe5 23. dxe5 Qe7 24. Ne4 Bxe4 25. Qxe4 f6 26. Rd1 fxe5 27. Rxd8+ Qxd8 28. Nxe5 Qe8 29. Rf5 Bc5 30. Qd5 Bxe3+ 31. Kh1 Bb6 32. Ng6 c6 33. Qb3 Bc5 34. Re5 Kf7 35. Rxc5 1-0

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "8"]
[White "Hermoso Rodriguez, Obdulis"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1976"]
[BlackElo "1858"]
[PlyCount "194"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bf5 6. Na3 cxd4 7. Nb5 0-0-0 8. cxd4 e5 9. Qb3 Qxb3 10. axb3 a6 11. Nc3 exd4 12. Na4 Nf6 13. Bc4 Bb4+ 14. Bd2 b5 15. Bxf7 bxa4 16. Rxa4 Bxd2+ 17. Kxd2 Rhf8 18. Bc4 Ne4+ 19. Kc1 Nc5 20. Bxa6+ Kc7 21. Ra3 Ra8 22. Bc4 Rfd8 23. Re1 Re8 24. Rd1 d3 25. Bd5 Rxa3 26. bxa3 Ne7 27. Bc4 Rd8 28. Ne5 Nc6 29. Nf3 Na5 30. Nd2 Nxc4 31. bxc4 Ra8 32. Kb2 Kc6 33. Re1 Ra7 34. f3 Bg6 35. Re5 Na4+ 36. Kb3 Nc5+ 37. Kb2 Rb7+ 38. Kc3 Rd7 39. Kb4 Na6+ 40. Kc3 Nc5 41. Kb4 Rb7+ 42. Kc3 Na4+ 43. Kd4 Rd7+ 44. Ke3 Nc3 45. Nb3 Nb1 46. Re6+ Kc7 47. Nd2 Nxa3 48. Ra6 Nc2+ 49. Kf2 Nb4 50. Ra7+ Kc6 51. Ra4 Nc2 52. Ra5 Re7 53. Kg3 Re2 54. Nb3 Re7 55. Rd5 Rd7 56. Ra5 Nb4 57. Rc5+ Kd6 58. Rb5 Nc2 59. Rd5+ Ke7 60. Re5+ Kf6 61. Rc5 d2 62. Rc6+ Ke7 63. Nxd2 Rxd2 64. Rc7+ Rd7 65. Rc5 Nd4 66. Re5+ Kf7 67. c5 Rc7 68. Rd5 Ne6 69. Kf2 Rxc5 70. Rd7+ Kf6 71. h4 Rc7 72. Rd6 Bc2 73. g4 Ke7 74. Rb6 g5 75. hxg5 Nxg5 76. f4 Ne4+ 77. Ke3 Nd6 78. Rb4 Rc4 79. Rb8 Rc7 80. Rg8 Kf7 81. Ra8 Re7+ 82. Kf2 Bd1 83. Kg3 Ne4+ 84. Kh4 Nf6 85. Ra5 Bxg4 86. Kg5 Be2 87. Rf5 Re6 88. Ra5 Ne4+ 89. Kf5 Ng3+ 90. Kg5 h6+ 91. Kh4 Ne4 92. Ra2 Bf3 93. Ra5 Kf6 94. Kh3 h5 95. Kh4 Nd6 96. Kg3 Bg4 97. Rb5 Nxb5 0-1

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "10"]
[White "Perez Hernandez, Vicmary C"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1664"]
[BlackElo "1858"]
[PlyCount "90"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bf5 6. Na3 cxd4 7. cxd4 e6 8. Nb5 0-0-0 9. Be2 Nf6 10. 0-0 h6 11. Bf4 g5 12. Bg3 Ne4 13. Rc1 Nxg3 14. hxg3 Kb8 15. Bc4 Qd7 16. Qe2 Bg7 17. Rfd1 a6 18. Ne5 Qe8 19. Na3 Nxd4 20. Qe3 Nc6 21. Rxd8+ Nxd8 22. Bxa6 Qa4 23. Be2 Qa5 24. Nac4 Qd5 25. Bf3 Qb5 26. b3 Nc6 27. Nxf7 Rf8 28. Nfd6 Qa6 29. Nxb7 Kxb7 30. Nd6+ Kb8 31. Rxc6 Qa5 32. Rb6+ Kc7 33. Nb5+ Kd8 34. Qc5 Qe1+ 35. Kh2 Qe5 36. Rd6+ Ke8 37. Nc7+ Kf7 38. Rd7+ Kg8 39. Qe7 Bf6 40. Qb4 Qc3 41. Qxc3 Bxc3 42. Nb5 Be1 43. Kg1 e5 44. Bd5+ Kh8 45. Bf3 Bxd7 0-1

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "1"]
[White "Sagastegui, Thamara"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1408"]
[BlackElo "1858"]
[PlyCount "12"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Bf5 5. Na3 Nc6 6. Bc4 Qd7 0-1

[Event "Central America-ch (Women) 24th"]
[Site "San Salvador"]
[Date "2023.01.21"]
[Round "5"]
[White "Vazquez Maccarini, Danitza"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2002"]
[BlackElo "1858"]
[PlyCount "65"]
[EventDate "2023.01.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 d6 6. h3 Bd7 7. d4 cxd4 8. cxd4 a6 9. Bc4 e6 10. Bg5 Nge7 11. Nc3 h6 12. Bh4 b5 13. Bb3 Na5 14. Bc2 0-0 15. e5 dxe5 16. dxe5 Nc4 17. Qe2 Bc6 18. Be4 Bxe4 19. Nxe4 Qc7 20. Rac1 Qa7 21. Nf6+ Kh8 22. b3 Nb6 23. Ne4 Nf5 24. Bf6 Nd5 25. Qd2 Kh7 26. g4 Nfe7 27. Nfg5+ hxg5 28. Qxg5 Qd4 29. Qh4+ Kg8 30. Ng5 Nxf6 31. exf6 Rfc8 32. Qh7+ Kf8 33. Qxg7+ 1-0

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.09"]
[Round "11.3"]
[White "Gueci, Tea"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2254"]
[BlackElo "1962"]
[PlyCount "172"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Italy (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Be3 Bd7 11. Ne1 f6 12. Bxc6 Bxc6 13. f3 Ng5 14. Qd2 Ne6 15. exf6 exf6 16. Nc3 Qd7 17. Rd1 Rad8 18. Bf2 f5 19. Nd3 f4 20. Rfe1 Qd6 21. Ne5 Rf5 22. Nxc6 bxc6 23. Re2 g5 24. Qd3 Rf7 25. Rde1 Re8 26. h3 Qd7 27. Na4 Ree7 28. Kf1 Bf6 29. b3 Ng7 30. Nc5 Qc8 31. Qc2 Rxe2 32. Rxe2 Re7 33. Rxe7 Bxe7 34. Nd3 Qe6 35. Qe2 Qxe2+ 36. Kxe2 Bd6 37. a4 Kf7 38. Kd2 Ke6 39. Kc3 Nf5 40. Ne1 a5 41. Nc2 Be7 42. Kd3 h5 43. Be1 Bd8 44. b4 axb4 45. Bxb4 Kd7 46. Bd2 Bc7 47. Bc3 Bd6 48. Ke2 Kc7 49. Ne1 c5 50. dxc5 Bxc5 51. Bf6 Be7 52. Bxe7 Nxe7 53. Nd3 Nc6 54. h4 Nd4+ 55. Kf2 gxh4 56. Nxf4 Kc6 57. Nxh5 Nf5 58. Nf4 Kc5 59. Kg1 d4 60. Kh2 Kb4 61. Kh3 Kxa4 62. Kg4 Ne3+ 63. Kxh4 d3 64. Nxd3 Nxg2+ 65. Kg3 Ne3 66. Kf4 Ng2+ 67. Ke4 Kb5 68. Kd5 Ne3+ 69. Ke5 Kc4 70. Ne1 Nd5 71. Ng2 Kc5 72. Nf4 Ne7 73. Ke6 Nc6 74. Ne2 Nd8+ 75. Kf6 Kd6 76. f4 Ne6 77. f5 Nf8 78. Nd4 Nd7+ 79. Kg6 Ne5+ 80. Kg7 Ng4 81. Nf3 Ke7 82. Ng5 Nf6 83. Nf3 Nh5+ 84. Kg6 Nf4+ 85. Kg5 Ne6+ 86. Kg4 Ng7 1/2-1/2

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.08"]
[Round "10.2"]
[White "Manova, Ivana"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1849"]
[BlackElo "1962"]
[PlyCount "144"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "North Macedonia (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "MKD"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. 0-0 Nd7 8. c3 e5 9. Be3 b6 10. a4 a5 11. d4 cxd4 12. cxd4 0-0 13. Nc3 Qe7 14. d5 Bb7 15. dxc6 Bxc6 16. Nd5 Bxd5 17. Qxd5 Rfe8 18. Qb5 Nc5 19. Bxc5 bxc5 20. Rfc1 Bf8 21. Rc2 Reb8 22. Qc6 Ra7 23. Nd2 Rc7 24. Qa6 Ra7 25. Qc6 Rc7 26. Qa6 Rb4 27. Nc4 Ra7 28. Qc6 Rc7 29. Qd5 Rd7 30. Qxe5 Qd8 31. Qc3 Rd3 32. Qe1 Qd4 33. Ne3 Qxe4 34. Ng4 Qxe1+ 35. Rxe1 Kg7 36. Ne5 Rdb3 37. Ree2 Rxa4 38. Nc4 Rbb4 39. Na3 Bd6 40. Rc3 Rd4 41. g3 c4 42. Kg2 Bxa3 43. bxa3 Rd3 44. Re3 Rd4 45. Kf3 f5 46. Ke2 Kf6 47. f4 h6 48. Kf3 g5 49. fxg5+ hxg5 50. Ke2 f4 51. gxf4 gxf4 52. Re8 Rd3 53. Rxd3 cxd3+ 54. Kxd3 Rxa3+ 55. Kd4 Rxh3 56. Ra8 Ra3 57. Ke4 Ra4+ 58. Kf3 Kf5 59. Rf8+ Ke6 60. Re8+ Kd6 61. Rh8 Rc4 62. Ra8 a4 63. Ra5 Kc6 64. Ke2 Kb6 65. Ra8 Rd4 66. Kf3 Kb5 67. Ra7 Kb4 68. Rb7+ Kc3 69. Ra7 Kb3 70. Rh7 a3 71. Rh2 a2 72. Rh1 Kc2 0-1

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.06"]
[Round "8.3"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Sovetbekova, Nurai"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1962"]
[BlackElo "1693"]
[PlyCount "114"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Mexico (W)"]
[BlackTeam "Kyrgyzstan (W)"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "KGZ"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. h3 Qc7 9. Qd2 b5 10. a3 Bb7 11. Bd3 Nbd7 12. Qe2 Nc5 13. Bd2 Qc6 14. 0-0 Nfxe4 15. Nxe4 Nxe4 16. Bb4 Ng5 17. Rfe1 Nxf3+ 18. Qxf3 Qxf3 19. gxf3 Bxf3 20. a4 bxa4 21. Rxa4 0-0 22. Rea1 Rfb8 23. c3 Rb6 24. Bxa6 Bc6 25. R4a3 Kf8 26. Bf1 Rxa3 27. Rxa3 d5 28. Bxe7+ Kxe7 29. Ra7+ Rb7 30. Rxb7+ Bxb7 31. f3 d4 32. cxd4 exd4 33. Kf2 Kd6 34. b4 Ke5 35. Kg3 g5 36. Kg4 f6 37. Bd3 h5+ 38. Kg3 h4+ 39. Kf2 Kf4 40. Be2 Ke5 41. Bd3 Kf4 42. Be2 Bc8 43. Bf1 Ke5 44. Kg2 Bf5 45. Kf2 Kd5 46. Ke1 Bd7 47. Kf2 Kc6 48. f4 Kb6 49. fxg5 fxg5 50. Kf3 Bb5 51. Bxb5 Kxb5 52. Ke4 g4 53. hxg4 h3 54. Kxd4 h2 55. Ke5 h1Q 56. g5 Qh8+ 57. Ke6 Qg7 0-1

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.05"]
[Round "7.3"]
[White "Fariha, Mariroh"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1839"]
[BlackElo "1962"]
[PlyCount "121"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Indonesia (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "INA"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Bf2 Nc5 15. Rab1 Be5 16. Bd1 e6 17. Bc2 Qf6 18. Ne2 Qe7 19. Nd4 Rfd8 20. Rfe1 g5 21. Be3 f6 22. a3 Qf7 23. Qf2 Be8 24. Kh1 Qe7 25. g3 Bg6 26. Nb5 Be8 27. f4 Bxb5 28. fxe5 Bc6 29. Bxc5 dxc5 30. exf6 Qd6 31. Kg1 Qe5 32. Rbd1 Rf8 33. Rf1 Rf7 34. Qe3 Raf8 35. Bd3 Rxf6 36. Rxf6 Rxf6 37. Bc2 Rf8 38. Qd2 Kg7 39. Qxa5 Rf7 40. Qd8 h6 41. Qd6 Qc3 42. Qd3 Qe5 43. Rf1 Rxf1+ 44. Kxf1 h5 45. b4 cxb4 46. axb4 b5 47. c5 h4 48. Ke2 hxg3 49. hxg3 Qb2 50. Qd2 Qe5 51. Qe3 Be8 52. Kd2 Kf6 53. Qf3+ Ke7 54. Qc3 Kf6 55. Qd3 Ke7 56. Qa3 Qd4+ 57. Kc1 Kf6 58. Qf3+ Ke7 59. Qa3 Kf6 60. Qf3+ Ke7 61. Qa3 1/2-1/2

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.02"]
[Round "5.2"]
[White "Sara, Masood Abdullah"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1677"]
[BlackElo "1962"]
[PlyCount "80"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Iraq (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "IRQ"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. h3 Nxd4 11. Bxd4 Bc6 12. Bf3 a5 13. Nd5 Bxd5 14. cxd5 a4 15. Rc1 Nd7 16. Be2 Qa5 17. Bxg7 Kxg7 18. Qd4+ Kg8 19. Rc3 Rfc8 20. Rfc1 Rxc3 21. Rxc3 Nc5 22. h4 b5 23. h5 b4 24. Rh3 b3 25. hxg6 fxg6 26. axb3 Qe1+ 27. Bf1 axb3 28. Re3 Qb1 29. e5 Ra1 30. Qc4 Qxb2 31. exd6 exd6 32. Qf4 Ra8 33. Re2 Qc3 34. Re7 Rf8 35. Qh6 Qh8 36. Bb5 b2 37. Re1 Qd4 38. Qe3 Qxe3 39. fxe3 Rb8 40. Rb1 Rxb5 0-1

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.08.01"]
[Round "4.3"]
[White "Garcia Martin, Marta"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2305"]
[BlackElo "1962"]
[PlyCount "93"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Spain (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "MEX"]

1. d4 f5 2. Nc3 Nf6 3. Bf4 g6 4. e3 Bg7 5. h4 d6 6. Bc4 Nc6 7. h5 e5 8. dxe5 Nxe5 9. Bb3 gxh5 10. Nge2 Qe7 11. Bg5 c6 12. Nf4 Bd7 13. Nxh5 0-0-0 14. Qd4 b6 15. 0-0-0 Be8 16. Nxg7 Qxg7 17. Qh4 Rf8 18. Bh6 Qe7 19. Bxf8 Qxf8 20. Be6+ Bd7 21. Bxd7+ Rxd7 22. Qf4 Ne8 23. Rh5 Rf7 24. Rdh1 Nc7 25. Rxh7 Kb7 26. Rxf7 Qxf7 27. e4 Qc4 28. Qd2 Nb5 29. Nxb5 Qxb5 30. exf5 Nc4 31. Qc3 Qc5 32. Kb1 b5 33. f6 Qxf2 34. b3 Nd2+ 35. Kc1 Ne4 36. Qd3 Qf4+ 37. Kb1 Nd2+ 38. Kb2 Qxf6+ 39. Qc3 Qf2 40. Rh7+ Kb6 41. Qg7 Ka5 42. Qxa7+ Qxa7 43. Rxa7+ Kb4 44. Re7 d5 45. g4 Nf3 46. Rf7 Ng5 47. Rf5 1-0

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.07.31"]
[Round "3.3"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Lam, Ka Yan"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1962"]
[BlackElo "1223"]
[PlyCount "47"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Mexico (W)"]
[BlackTeam "Hong Kong (W)"]
[WhiteTeamCountry "MEX"]
[BlackTeamCountry "HKG"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Be7 9. Qd2 Nc6 10. 0-0 d5 11. Bxf6 d4 12. Bxe7 Qxe7 13. Nd5 Qd6 14. c4 0-0 15. f4 f5 16. c5 Qd8 17. Nb6 Rb8 18. exf5 Bxf5 19. Bc4+ Kh8 20. fxe5 d3 21. e6 Ne5 22. Bd5 Qh4 23. Qf4 Qh5 24. Qxe5 1-0

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.07.30"]
[Round "2.3"]
[White "Antova, Gabriela"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2275"]
[BlackElo "1962"]
[PlyCount "99"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Bulgaria (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "BUL"]
[BlackTeamCountry "MEX"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nh3 0-0 6. 0-0 d6 7. d5 c6 8. Nc3 e5 9. dxe6 Bxe6 10. Qb3 Qe7 11. Ng5 Bf7 12. Rd1 Na6 13. Nxf7 Rxf7 14. Qc2 Qe6 15. Bf4 Qxc4 16. Bxd6 Re8 17. e3 Nc7 18. Bf1 Qe6 19. Bxc7 Rxc7 20. Nb5 Rd7 21. Nc7 Qe7 22. Rxd7 Qxd7 23. Nxe8 Nxe8 24. Rd1 Qe7 25. Bc4+ Kf8 26. Qd2 Nf6 27. Qd8+ Qxd8 28. Rxd8+ Ke7 29. Rb8 b5 30. Rb7+ Nd7 31. Bg8 Bxb2 32. Bxh7 a5 33. Bxg6 Kd6 34. Bxf5 Nc5 35. Ra7 a4 36. h4 b4 37. h5 b3 38. axb3 axb3 39. h6 Bc3 40. h7 Ne6 41. Ra8 Ng5 42. h8Q Bxh8 43. Rxh8 c5 44. Rb8 c4 45. Kf1 Nf3 46. Ke2 Ne5 47. Kd2 Kc5 48. Kc3 Kd5 49. Rb5+ Kd6 50. f4 1-0

[Event "Olympiad Women-44"]
[Site "Chennai"]
[Date "2022.07.29"]
[Round "1.2"]
[White "Shariff, Sasha Christina"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1183"]
[BlackElo "1962"]
[PlyCount "86"]
[EventDate "2022.07.29"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "IND"]
[SourceTitle "CBM 210"]
[Source "ChessBase"]
[SourceDate "2022.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.31"]
[SourceQuality "1"]
[WhiteTeam "Guyana (W)"]
[BlackTeam "Mexico (W)"]
[WhiteTeamCountry "GUY"]
[BlackTeamCountry "MEX"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. b3 a5 11. Nd5 Nxe4 12. f3 Nf6 13. Nxf6+ Bxf6 14. Rb1 Qb6 15. Nc2 Qc7 16. Qd2 Rfc8 17. Bg5 Bh8 18. h4 Bf5 19. Bd3 Bxd3 20. Qxd3 Ne5 21. Qe4 e6 22. Nd4 Qc5 23. Be3 f5 24. Qxb7 Nxf3+ 25. Qxf3 Bxd4 26. Bxd4 Qxd4+ 27. Qf2 Qxf2+ 28. Rxf2 Kf7 29. Rd2 Ra6 30. Rc1 Ke7 31. Kf2 Rb6 32. Rb2 Rbc6 33. Rbc2 Rb8 34. Rb1 d5 35. c5 Rb5 36. Rbc1 e5 37. g3 Ke6 38. Kf3 d4 39. Rc4 Kd5 40. R4c2 Rbxc5 41. Rxc5+ Rxc5 42. Rxc5+ Kxc5 43. a3 h5 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "10"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Londono Lopez, Donaldo Eliuver"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1962"]
[BlackElo "2066"]
[PlyCount "130"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. Bb5+ Nc6 9. exd5 Qxd5 10. Qxd5 Nxd5 11. 0-0 f6 12. Bd2 0-0-0 13. Bxc6 bxc6 14. Ba5 Nb6 15. N1d2 Rd7 16. Ne4 Na4 17. Rad1 Nxb2 18. Rxd7 Bxd7 19. Nbc5 f5 20. Nxd7 Kxd7 21. Nd2 Bc5+ 22. Kh1 Be3 23. Rb1 Bxd2 24. Bxd2 Nc4 25. Bc3 Ke6 26. Kg1 Rd8 27. Kf2 Rd7 28. Rb8 Rd1 29. Ke2 Rg1 30. Kd3 Nd6 31. g3 Rf1 32. Ke2 Rh1 33. h4 Rh2+ 34. Kd3 e4+ 35. fxe4 fxe4+ 36. Ke3 Rxc2 37. Bxg7 Nf5+ 38. Kxe4 Nxg7 39. Rb7 Nh5 40. Rxa7 Nxg3+ 41. Kd3 Rh2 42. Rxh7 Rxa2 43. Rg7 Nf5 44. Rg6+ Kd5 45. Rg5 Ra3+ 46. Kd2 Ke5 47. h5 Rh3 48. Rg6 c5 49. Rg4 Rxh5 50. Rc4 Rh2+ 51. Kc3 Kd5 52. Rf4 Rh3+ 53. Kd2 Nd4 54. Rg4 Rh2+ 55. Kd3 c4+ 56. Kc3 Nb5+ 57. Kb4 Rb2+ 58. Ka4 Nc3+ 59. Ka5 Kc5 60. Ka6 Nd5 61. Rg8 Rb6+ 62. Ka5 c3 63. Rg1 c2 64. Rc1 Nb4 65. Ka4 Kc4 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.22"]
[Round "9"]
[White "Rios Parra, Alejandro"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2220"]
[BlackElo "1962"]
[PlyCount "58"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5 d6 5. Nf3 Nf6 6. Be2 a6 7. a4 0-0 8. 0-0 Nbd7 9. Nd2 Rb8 10. f4 Qa5 11. Nc4 Qc7 12. Na3 b6 13. Qe1 Bb7 14. Qh4 e6 15. Bf3 exd5 16. exd5 Rbe8 17. Bd2 Qb8 18. g4 Qa8 19. Nc4 Qb8 20. Ne3 b5 21. axb5 axb5 22. Nxb5 Bxd5 23. Nxd5 Nxd5 24. c4 N5b6 25. b3 d5 26. Rab1 Nf6 27. f5 Ne4 28. Bh6 f6 29. Bxg7 Kxg7 1/2-1/2

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "8"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Lopez Rayo, Isabella"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1962"]
[BlackElo "1831"]
[PlyCount "73"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 dxe4 8. Qxd8+ Kxd8 9. Bxf6+ gxf6 10. fxe4 f5 11. Nc3 Be6 12. exf5 Bxf5 13. 0-0-0+ Kc8 14. Bc4 Bh6+ 15. Kb1 Nd7 16. Bxf7 Rf8 17. Bd5 a5 18. a4 Ra6 19. Bc4 Rg6 20. g3 b6 21. Nd5 Bg5 22. Rhf1 Rc6 23. Ba6+ Kb8 24. Nc3 Rcf6 25. Rxf5 Rxf5 26. Rxd7 R5f7 27. Rd5 Re7 28. Ne4 Be3 29. Nbd2 Ka7 30. Bb5 Bg1 31. h4 Bd4 32. c3 Bg1 33. Kc2 Kb8 34. Nc4 Rf5 35. Rd8+ Kc7 36. Rg8 Rf3 37. Ncd6 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.21"]
[Round "7"]
[White "Ubaldo Suarez, Maria Gisela"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2013"]
[BlackElo "1962"]
[PlyCount "196"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 c5 4. d5 d6 5. Nc3 Nf6 6. e4 0-0 7. Be2 e6 8. dxe6 fxe6 9. 0-0 Nc6 10. Bg5 a6 11. Qd2 Qc7 12. Rad1 Ne8 13. Bh6 b6 14. a3 Ra7 15. Bxg7 Qxg7 16. Na4 Rb7 17. Nc3 Qf6 18. Rfe1 Nd4 19. Nxd4 Qxf2+ 20. Kh1 cxd4 21. Qxd4 Bd7 22. Qxf2 Rxf2 23. Kg1 Rf8 24. Rd2 Bc6 25. Bg4 Rf6 26. Red1 Kf7 27. Bf3 e5 28. b4 Rb8 29. b5 axb5 30. cxb5 Ba8 31. Na4 Ke7 32. Rc1 Rf4 33. Nc3 h5 34. Ne2 Rf7 35. Rdc2 Kd8 36. Rd2 Ra7 37. Rc3 Ra4 38. Re3 Rc8 39. h4 Rc5 40. Kf2 Rac4 41. Ng1 Ke7 42. Nh3 Nc7 43. Ng5 Nxb5 44. Rb3 Rc3 45. Rdb2 Rc2+ 46. Rxc2 Rxc2+ 47. Kg3 Bc6 48. a4 Nd4 49. Rxb6 Bxa4 50. Rb7+ Bd7 51. Rb8 Bc8 52. Ra8 Rc7 53. Rb8 Nc6 54. Rb2 Nd4 55. Rb6 Ne6 56. Nh7 Bd7 57. Rb8 Rc8 58. Rb7 Ra8 59. Rb6 Nc5 60. Ng5 Rf8 61. Rb1 Rf4 62. Rb8 Bc6 63. Rg8 Be8 64. Rg7+ Kd8 65. Ra7 Bd7 66. Ra8+ Bc8 67. Ra7 Bb7 68. Rxb7 Rxf3+ 69. gxf3 Nxb7 70. f4 Ke7 71. fxe5 dxe5 72. Kf3 Nc5 73. Ke3 Ne6 74. Nh3 Kd6 75. Kf3 Kc5 76. Ke3 Kc4 77. Ng1 Kc5 78. Nh3 Kd6 79. Kf3 Ke7 80. Kg3 Nd4 81. Ng5 Ne2+ 82. Kf3 Nf4 83. Kf2 Ne6 84. Nf3 Kf6 85. Ke3 g5 86. hxg5+ Nxg5 87. Nh4 Ne6 88. Nf3 Nf4 89. Kf2 Nh3+ 90. Ke3 Ng5 91. Nh4 Nf7 92. Nf3 Nh6 93. Kf2 Ng4+ 94. Kg3 Ke6 95. Ng5+ Kf6 96. Nf3 Kg6 97. Kh4 Kh6 98. Kg3 Kg6 1/2-1/2

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "6"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1884"]
[BlackElo "1962"]
[PlyCount "96"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. c4 Nc6 5. 0-0 Nf6 6. Nc3 d6 7. d4 cxd4 8. Nxd4 Bd7 9. e4 Rc8 10. Nxc6 Bxc6 11. Qd3 Ng4 12. Bh3 Ne5 13. Qe2 Bd7 14. Bg2 0-0 15. c5 dxc5 16. Bf4 e6 17. Rfd1 Qe7 18. Nb5 Bxb5 19. Qxb5 a6 20. Qa4 Rc6 21. Qc2 Rfc8 22. Rd2 g5 23. Bxe5 Bxe5 24. Rad1 R6c7 25. Qa4 Qf6 26. b3 Bd4 27. Qc4 b5 28. Qe2 e5 29. Bh3 Rd8 30. Bf5 Kg7 31. Kg2 c4 32. Rc2 Qc6 33. Qg4 h6 34. h4 Qf6 35. f4 exf4 36. gxf4 Be3 37. hxg5 hxg5 38. Rh1 Bxf4 39. Qh5 Kf8 40. bxc4 Rxc4 41. Re2 Rcd4 42. Qh7 Rd2 43. Rhe1 Qb2 44. Qh6+ Ke7 45. Kf1 Rxe2 46. Rxe2 Rd1+ 47. Kf2 Qd4+ 48. Kf3 Qd3+ 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.20"]
[Round "5"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Loaiza Cuervo, Santiago"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1962"]
[BlackElo "1952"]
[PlyCount "44"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be7 7. c4 a5 8. Be3 0-0 9. Nc3 Be6 10. a4 Nc6 11. Be2 Nh5 12. Qd2 Nb4 13. Rc1 Nf4 14. 0-0 g6 15. Rfd1 f5 16. Bf1 Bg5 17. g3 fxe4 18. Nxe4 Nh3+ 19. Bxh3 Bxe3+ 20. Qxe3 Bxh3 21. Rxd6 Qe7 22. c5 Rf4 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "3"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Rosales Campos, Paul"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1962"]
[BlackElo "2113"]
[PlyCount "72"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. Nd2 Bc5 9. h3 Rg8 10. Nf3 Qe7 11. Kh1 h6 12. Bd2 g5 13. b4 Bd6 14. Rb1 g4 15. Ng1 gxh3 16. Nxh3 Bg4 17. Qe1 Nh5 18. Rb3 Qe6 19. Be2 0-0-0 20. a3 Rg6 21. Qd1 Rdg8 22. Rg1 Nf4 23. Bxf4 exf4 24. Bxg4 Rxg4 25. Rd3 Bc7 26. Qf3 Qe5 27. a4 Qe6 28. b5 Rh4 29. Rgd1 Rhg4 30. bxc6 Rxg2 31. cxb7+ Kb8 32. Rg1 Qxh3+ 33. Qxh3 Rxg1+ 34. Kh2 f3+ 35. Qg3 R8xg3 36. fxg3 f2 0-1

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.19"]
[Round "4"]
[White "Torres, Jorge Emilio"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2038"]
[BlackElo "1962"]
[PlyCount "113"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. e3 Nf6 5. h3 b6 6. Be2 Bb7 7. 0-0 0-0 8. c4 d6 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Qd2 Nc6 12. d5 Nb4 13. Ng5 Bf5 14. e4 Bd7 15. a3 Na6 16. Nf3 Nc7 17. Bh6 b5 18. Bxg7 Kxg7 19. Qc3+ f6 20. Nd2 bxc4 21. a4 Rb8 22. Bxc4 Rb4 23. b3 Be8 24. f4 Bf7 25. Rad1 Qa8 26. Nf3 Qb7 27. Rd3 e6 28. dxe6 Nxe6 29. Rxd6 Qe7 30. e5 Kg8 31. f5 Nf4 32. Bxf7+ Rxf7 33. Qxc5 Re4 34. fxg6 hxg6 35. Qc8+ Rf8 36. Qc6 f5 37. Rd7 Qe8 38. Qb7 Nh5 39. Re7 Qd8 40. g4 fxg4 41. Qxe4 Qxe7 42. Qxg6+ Ng7 43. hxg4 Qc5+ 44. Kg2 Qe3 45. b4 Qe2+ 46. Rf2 Qc4 47. Rd2 Qf4 48. Rd3 Kh8 49. Qg5 Qe4 50. Re3 Qxb4 51. e6 Qxa4 52. e7 Qc2+ 53. Kg1 Qb1+ 54. Ne1 Re8 55. Rh3+ Kg8 56. Qd5+ Ne6 57. Qxe6+ 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.18"]
[Round "1"]
[White "Castrillon Gomez, Melissa"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2198"]
[BlackElo "1962"]
[PlyCount "79"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. Ne3 Rc8 11. Kh1 a6 12. Ned5 Na5 13. Nxf6+ Bxf6 14. Nd5 Bg7 15. Bg5 Re8 16. Rc1 Bxb2 17. Be3 e6 18. Bb6 Qh4 19. g3 Qxe4+ 20. f3 Qe5 21. Ne3 Bxc1 22. Ng4 Qg5 23. f4 Bc6+ 24. Kg1 Bxf4 25. gxf4 Qh4 26. Bxa5 f5 27. Ne3 e5 28. Nd5 exf4 29. Bf3 Re6 30. Bc3 Kf7 31. Qd4 Qg5+ 32. Kh1 Rg8 33. Nxf4 Re4 34. Nh3 Qh4 35. Bxe4 Bxe4+ 36. Kg1 Qg4+ 37. Kf2 Qxh3 38. Qf6+ Ke8 39. Qe6+ Kd8 40. Ba5+ 1-0

[Event "Pereira Gildardo Garcia Memorial-A"]
[Site "Pereira"]
[Date "2022.05.18"]
[Round "2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Pazos Gambarrotti, Plinio Efrain"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1962"]
[BlackElo "2093"]
[PlyCount "80"]
[EventDate "2022.05.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "COL"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 0-0 7. a3 Kh8 8. 0-0 Ng8 9. Nd5 f5 10. Re1 Nf6 11. Nxe7 Nxe7 12. Ng5 Qe8 13. Ne6 Bxe6 14. Bxe6 fxe4 15. dxe4 Qg6 16. Qe2 Nc6 17. Bf5 Qf7 18. c3 Ne7 19. Bg5 Nxf5 20. exf5 Nd7 21. g4 d5 22. Rad1 e4 23. f4 Nc5 24. Qb5 Nd3 25. Rxd3 exd3 26. Re7 d2 27. Qd3 Rfe8 28. Rxf7 Re1+ 29. Kf2 d1Q 30. Qxd1 Rxd1 31. f6 h6 32. Bh4 Rd2+ 33. Kf3 Rd3+ 34. Kg2 Re8 35. Rxg7 Re2+ 36. Kf1 Rxb2 37. Re7 Rxh3 38. Re8+ Kh7 39. Bf2 Rf3 40. f7 Rbxf2+ 0-1

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.08"]
[Round "7"]
[White "Garcia Morales, Ivette Alejandra"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "2016"]
[BlackElo "1953"]
[PlyCount "83"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Nc6 8. Nc3 a6 9. b3 Qc7 10. Bb2 d6 11. Rc1 Ne5 12. h3 Be6 13. Kh2 Rab8 14. Nxe6 fxe6 15. f4 Ned7 16. Qd2 Qd8 17. Rcd1 b5 18. cxb5 axb5 19. b4 Qb6 20. e4 Rfc8 21. Ne2 e5 22. f5 Rc4 23. fxg6 hxg6 24. a3 Rbc8 25. Nc3 Kh7 26. Qd3 Nf8 27. Rd2 Rd4 28. Qe2 Rxd2 29. Qxd2 Ne6 30. Rd1 Nd4 31. Qd3 Bh6 32. Bf1 Qc6 33. Bg2 Qb6 34. Rf1 Kg7 35. Rd1 Kh7 36. Rf1 Kg7 37. Bf3 Kh7 38. Bd1 Qb7 39. Bf3 Qb6 40. Bd1 Qb7 41. Bf3 Qb6 42. Bd1 1/2-1/2

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.08"]
[Round "8"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Avila Bautista, Teresa Alejandra"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1953"]
[BlackElo "1736"]
[PlyCount "59"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 Qa5 11. Rc1 b6 12. Be2 Bb7 13. f3 d6 14. 0-0 0-0 15. Rfd1 Rfe8 16. b3 Rac8 17. Nd5 Qxd2 18. Rxd2 Kf8 19. Rcd1 Nc5 20. Bf2 Bh6 21. Rc2 Ne6 22. g3 Bxd5 23. Rxd5 Nc7 24. Rd1 Ne6 25. f4 Rc7 26. Bg4 Nc5 27. Re2 Bg7 28. Bf3 h5 29. Rd5 Ne6 30. e5 1/2-1/2

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.07"]
[Round "5"]
[White "Flores Rodriguez, Astrid Aphril"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1618"]
[BlackElo "1953"]
[PlyCount "166"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 h5 9. 0-0-0 Bd7 10. f4 a6 11. Kb1 b5 12. Bf3 Nxd4 13. Bxd4 Bg4 14. e5 dxe5 15. fxe5 Nh7 16. Bxa8 Qxa8 17. Rde1 0-0 18. Rhf1 Rd8 19. Qf4 Be6 20. Bb6 Rc8 21. Rf3 Qb7 22. Qd4 Nf8 23. Qe3 Qc6 24. Rf2 Bf5 25. Rxf5 gxf5 26. Ba5 Qxg2 27. Bb4 e6 28. Bxf8 Kxf8 29. h3 b4 30. Ne2 Qc6 31. Nd4 Qc5 32. Qf4 Rd8 33. Nb3 Qb6 34. Qg5 Rd5 35. Qxh5 Rxe5 36. Rd1 Ke7 37. Qf3 Re4 38. Qd3 Be5 39. Qd2 Bf4 40. Qd7+ Kf6 41. Qe8 Qb8 42. Qxb8 Bxb8 43. Nc5 Be5 44. Nxe4+ fxe4 45. Rf1+ Kg6 46. Kc1 f5 47. a3 a5 48. axb4 axb4 49. b3 Bc3 50. Kd1 Kg5 51. Ke2 f4 52. Rg1+ Kh5 53. Rg8 Bd4 54. Rg4 e5 55. Ke1 Bc5 56. Kf1 Bd4 57. Ke1 Bc3+ 58. Kd1 Kh6 59. Ke2 Bd4 60. Ke1 Be3 61. Kf1 Kh5 62. Ke2 Bc5 63. Kf1 Be7 64. Ke1 Bd6 65. Kf1 e3 66. Rg8 Kh4 67. Ke2 e4 68. Re8 Kg3 69. Rxe4 Bc5 70. Re5 f3+ 71. Kf1 e2+ 72. Rxe2 fxe2+ 73. Kxe2 Bd4 74. c4 Kxh3 75. Kd3 Bc5 76. Ke4 Kg4 77. Kd5 Bf2 78. c5 Kf5 79. c6 Bb6 80. Kc4 Ke5 81. Kxb4 Kd6 82. Kb5 Kc7 83. b4 Bf2 1/2-1/2

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.07"]
[Round "6"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "De Loera Torres, Naxhelli Stella"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1953"]
[PlyCount "63"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Bd7 6. dxc5 Bxc5 7. Bd3 Qc7 8. Qe2 Nge7 9. 0-0 Ng6 10. Re1 a5 11. a4 Ba7 12. Na3 Bc5 13. Nb5 Qb8 14. Be3 Bxe3 15. Qxe3 0-0 16. h4 Nge7 17. Nbd4 Nxd4 18. Nxd4 Nf5 19. Bxf5 exf5 20. Qf3 b5 21. Qxd5 Rd8 22. axb5 g6 23. h5 Be6 24. Qc5 Rc8 25. Nc6 Rc7 26. Qd6 Qxb5 27. Qxc7 Rc8 28. Ne7+ Kg7 29. Nxc8 Qxb2 30. hxg6 hxg6 31. Nd6 Qb3 32. Rxa5 1-0

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.06"]
[Round "3"]
[White "Corrales Jimenez, Zenia"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2191"]
[BlackElo "1953"]
[PlyCount "137"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Bd7 7. f3 g6 8. Qd2 h5 9. 0-0-0 a6 10. Kb1 Bg7 11. h3 b5 12. Nxc6 Bxc6 13. Nd5 Bxd5 14. exd5 h4 15. Rg1 Rc8 16. Bd3 Qc7 17. Qf2 Qb7 18. g4 hxg3 19. Qxg3 Nh5 20. Qf2 Bf6 21. Be4 a5 22. Bd4 a4 23. Qe3 b4 24. Rge1 Rc4 25. b3 axb3 26. cxb3 Rc8 27. f4 Kf8 28. f5 g5 29. Rg1 Rh7 30. Rxg5 Bxd4 31. Qxd4 Nf6 32. Bg2 Qc7 33. Qd2 Rh4 34. Rg3 Rh5 35. Rf1 Qd7 36. Kb2 Qb5 37. Rf4 Rb8 38. Bf3 Rh8 39. Rc4 Qa5 40. Kb1 Ke8 41. Qc2 Kd7 42. h4 Nxd5 43. Bxd5 Qxd5 44. Rd3 Qb7 45. f6 e6 46. Rxd6+ Kxd6 47. Rd4+ Ke5 48. Qc5+ Qd5 49. Rxd5+ exd5 50. Qe7+ Kd4 51. Qxf7 Ra8 52. Qe7 Rhg8 53. Qxb4+ Kd3 54. Qb5+ Ke3 55. Qxd5 Rad8 56. Qc5+ Ke2 57. Qe5+ Kd3 58. f7 Rh8 59. h5 Kd2 60. h6 Rc8 61. Qd4+ Ke1 62. a4 Rhd8 63. Qe5+ Kd2 64. Kb2 Kd1 65. h7 Kd2 66. Qg5+ Kd1 67. Qg8 Rd2+ 68. Ka3 Rc1 69. Qg1+ 1-0

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.06"]
[Round "4"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Mendez Tovar, Jessica Yissel"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1953"]
[BlackElo "2036"]
[PlyCount "72"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Be6 7. Bg5 Be7 8. Bxf6 Bxf6 9. Nd5 Bg5 10. a4 0-0 11. h4 Bxd5 12. Qxd5 Bxh4 13. g3 Bg5 14. Rd1 Nc6 15. Qxd6 Nd4 16. Rxd4 exd4 17. Qb4 Qe7 18. Qxe7 Bxe7 19. f4 Bb4+ 20. Ke2 Rfe8 21. Kf3 Rad8 22. Rh5 a6 23. Bd3 g6 24. Rh1 Kg7 25. a5 h5 26. Ra1 Rh8 27. Ra4 Be7 28. Nxd4 h4 29. gxh4 Rxh4 30. e5 Bc5 31. Kg3 Rhh8 32. Nb3 Be7 33. Rc4 Rc8 34. Rd4 Rhd8 35. Ra4 Rc7 36. Kf3 Rcc8 1/2-1/2

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.05"]
[Round "1"]
[White "De Dios Suarez, Mayra Valentina"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1537"]
[BlackElo "1953"]
[PlyCount "146"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 g6 7. Be3 Bg7 8. Be2 Bd7 9. Qd2 a6 10. 0-0 h5 11. Bc4 0-0 12. Nb3 Rc8 13. Rad1 Ne5 14. Be2 Re8 15. Nd5 Nxd5 16. exd5 Qc7 17. c3 a5 18. Qc1 a4 19. Nd2 a3 20. Bd4 axb2 21. Qxb2 Ra8 22. Rb1 Rec8 23. Rfc1 b5 24. c4 Nxc4 25. Nxc4 Bxd4+ 26. Qxd4 bxc4 27. Rxc4 Qa5 28. Rxc8+ Bxc8 29. Bc4 Ba6 30. Bxa6 Qxa6 31. Rb2 Qa5 32. Kf2 Rc8 33. Re2 Rc7 34. a4 f6 35. Qe4 Qa7+ 36. Kg3 Kg7 37. h4 Qc5 38. Kh3 Qc3 39. Re3 Qa5 40. Re2 Ra7 41. Ra2 Qc7 42. Qd4 Ra5 43. Qe4 Qd7+ 44. Kg3 Qc7 45. Re2 Ra7 46. Ra2 Qc3 47. a5 f5 48. Qe2 Qd4 49. Qb5 Qe5+ 50. Kh3 f4 51. Re2 Qf5+ 52. Kh2 Qf6 53. Kh3 Rc7 54. Qb2 Qxb2 55. Rxb2 Ra7 56. Rb5 Kf6 57. g4 Ke5 58. gxh5 gxh5 59. Kg2 Rc7 60. Kf2 Rc2+ 61. Ke1 Ra2 62. Kd1 Kd4 63. Rb4+ Kd3 64. Ke1 Rxa5 65. Rxf4 Rxd5 66. Re4 e5 67. Kf2 Ra5 68. Re3+ Kd4 69. Re2 Ra3 70. Re4+ Kd5 71. Re2 Ra4 72. Kg3 Ke6 73. Rd2 d5 0-1

[Event "Villahermosa Mexican op (Women)"]
[Site "Villahermosa"]
[Date "2021.08.05"]
[Round "2"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Tec Rodas, Sofia Isavelina"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1953"]
[BlackElo "1449"]
[PlyCount "93"]
[EventDate "2021.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. h3 h6 7. Na4 Bb6 8. Nxb6 axb6 9. c3 Bd7 10. b4 0-0 11. 0-0 Re8 12. Nh2 Ne7 13. f4 exf4 14. Bxf4 Ng6 15. Qf3 Ne5 16. Bxe5 Rxe5 17. Rae1 Qe7 18. d4 Rg5 19. Qe3 Bb5 20. Bxb5 Rxb5 21. Qe2 Qd7 22. Nf3 Re8 23. Qd3 c6 24. g4 Ra8 25. Qc2 Ra3 26. Qb2 Ra8 27. c4 Rg5 28. Nxg5 hxg5 29. Rf5 d5 30. cxd5 cxd5 31. exd5 Nxd5 32. Qb3 Nf6 33. d5 Qd6 34. a3 Rc8 35. Qf3 Rc2 36. Rfe5 Ra2 37. Qd3 g6 38. R1e2 Ra1+ 39. Kg2 Rc1 40. Qd2 Rc4 41. Qxg5 Kg7 42. Qd2 b5 43. Qd3 Nd7 44. R5e4 Rc1 45. Qd4+ Kh7 46. g5 Rc4 47. Rh4+ 1-0

[Event "FIDE World Cup Mexico Qual (Women)"]
[Site "Mexico City"]
[Date "2021.05.30"]
[Round "9"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Avila Bautista, Teresa Alejandra"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1934"]
[BlackElo "1661"]
[PlyCount "42"]
[EventDate "2021.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. f3 Bd7 10. Qd2 Rc8 11. 0-0 a6 12. Rfd1 Qc7 13. Rac1 Rfe8 14. Bf1 Nxd4 15. Bxd4 Bc6 16. Be3 Red8 17. Qf2 Re8 18. Qd2 Qa5 19. b3 Nd7 20. Nd5 Qxd2 21. Rxd2 Nb8 1/2-1/2

[Event "FIDE World Cup Mexico Qual (Women)"]
[Site "Mexico City"]
[Date "2021.05.30"]
[Round "8"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Ortega Beltran, Ximena"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1934"]
[BlackElo "1720"]
[PlyCount "49"]
[EventDate "2021.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 Nc6 3. e4 Nf6 4. Bd3 Qa5+ 5. Nc3 e6 6. Nf3 Bxc5 7. 0-0 0-0 8. Bd2 Qd8 9. e5 Ng4 10. Bxh7+ Kh8 11. Be4 Nxf2 12. Rxf2 Bxf2+ 13. Kxf2 f6 14. exf6 Qxf6 15. Kg1 Ne5 16. Nxe5 Qxe5 17. Qe1 Qh5 18. Qg3 Rf6 19. Rf1 Rxf1+ 20. Kxf1 Qf7+ 21. Kg1 Kg8 22. Qh4 Qf6 23. Bg5 Qd4+ 24. Kh1 Qe5 25. Bg6 1-0

[Event "FIDE World Cup Mexico Qual (Women)"]
[Site "Mexico City"]
[Date "2021.05.29"]
[Round "7"]
[White "Aviles Campos, Andrea Regina"]
[Black "Guillen Cristobal, Sandra Nayeli"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1596"]
[BlackElo "1934"]
[PlyCount "119"]
[EventDate "2021.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 0-0 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Rab1 e6 16. Rfd1 Be5 17. Bd4 Qe7 18. a3 a4 19. Bxe5 dxe5 20. b4 Nb3 21. Qe3 Nd4 22. Bd3 Rfd8 23. b5 Be8 24. Rb4 Ra5 25. Qf2 g5 26. Bc2 Rda8 27. Nxa4 Qc7 28. Rc1 Bxb5 29. cxb5 Rxa4 30. Rxa4 Rxa4 31. Qd2 Rc4 32. b6 Qxb6 33. Qxg5+ Kf8 34. Qh6+ Ke7 35. Rb1 Qa7 36. Qg5+ Kd7 37. Qh5 Nxc2+ 38. Kh1 Ke8 39. Qxh7 Nxa3 40. Qg8+ Ke7 41. Qg5+ Kd7 42. Rf1 Qc5 43. h4 Qe7 44. Qxe5 Qxh4+ 45. Kg1 Rc6 46. Rd1+ Kc8 47. Qa5 Qe7 48. Qa8+ Kc7 49. Qa5+ Kb8 50. Qe5+ Ka7 51. Ra1 Ra6 52. Rc1 Qb4 53. Rc8 Qe1+ 54. Kh2 Qh4+ 55. Kg1 Nb5 56. Qc5+ b6 57. Rc7+ Nxc7 58. Qxc7+ Ka8 59. Qc8+ Ka7 60. Qc7+ 1/2-1/2

[Event "FIDE World Cup Mexico Qual (Women)"]
[Site "Mexico City"]
[Date "2021.05.29"]
[Round "6"]
[White "Guillen Cristobal, Sandra Nayeli"]
[Black "Benitez Lozano, Karla"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1934"]
[BlackElo "1836"]
[PlyCount "41"]
[EventDate "2021.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. a3 a6 6. Nc3 h6 7. Be3 Bxe3 8. fxe3 d6 9. Qe2 b5 10. Ba2 0-0 11. 0-0 Ne7 12. Nh4 c5 13. h3 Bb7 14. Rxf6 gxf6 15. Nd5 Bxd5 16. Bxd5 Ra7 17. Qh5 Kg7 18. Rf1 Rg8 19. Qxf7+ Kh8 20. Qxf6+ Kh7 21. Bxg8+ 1-0

