[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.03.04"]
[Round "6"]
[White "Avendano Porras, Rodrigo"]
[Black "Campos Sanchez, Roberto"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1908"]
[BlackElo "1971"]
[PlyCount "73"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. Qe2 Bc5 7. Nb3 Be7 8. Qg4 g6 9. Nc3 Nf6 10. Qe2 Nc6 11. Be3 d6 12. f3 b5 13. Nd4 Bb7 14. Nxc6 Bxc6 15. Bd4 e5 16. Be3 b4 17. Nd1 d5 18. Bg5 dxe4 19. fxe4 Nh5 20. Bd2 0-0 21. g3 f5 22. Nf2 f4 23. g4 f3 24. Qf1 Nf4 25. Bxf4 Rxf4 26. 0-0-0 a5 27. h4 a4 28. Nh3 Rxe4 29. Nf2 Rf4 30. Kb1 e4 31. Bc4+ Kh8 32. Nh3 Rxg4 33. Qf2 Qe5 34. Ng5 Bxg5 35. hxg5 e3 36. Qf1 e2 37. Rxh7+ 1-0

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.25"]
[Round "5"]
[White "Campos Sanchez, Roberto"]
[Black "Bonilla Rodriguez, Andres"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1971"]
[BlackElo "1922"]
[PlyCount "78"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. e5 Nfd7 7. d4 e6 8. Bf4 Be7 9. Qg3 g6 10. h4 h5 11. Bd3 Nf8 12. 0-0-0 Na6 13. Bg5 Nc7 14. Kb1 Qd7 15. Qf4 Bxg5 16. hxg5 Rg8 17. Rh3 0-0-0 18. Rf3 Rg7 19. Rh1 Nh7 20. g4 hxg4 21. Qxg4 Qe7 22. Rg3 Rdg8 23. f4 Kb8 24. Qe2 Nf8 25. Rgh3 Nd7 26. Nd1 c5 27. dxc5 Nxc5 28. Nf2 Rc8 29. Ng4 Rgg8 30. Rh7 Nxd3 31. Qxd3 Ne8 32. Nh6 Rg7 33. Rh8 Nc7 34. Ng4 Rgg8 35. R8h7 Ne8 36. Nh6 Rg7 37. Rh8 Nc7 38. Ng4 Rgg8 39. R8h7 Ne8 1/2-1/2

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.18"]
[Round "4"]
[White "Campos Cerdas, Jorge"]
[Black "Campos Sanchez, Roberto"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1735"]
[BlackElo "1971"]
[PlyCount "94"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 Nb6 8. Bb3 d5 9. a3 Bd7 10. Nc3 Rc8 11. 0-0 Be7 12. Qd3 Na5 13. Ba2 Nac4 14. Bxc4 Nxc4 15. Nd2 0-0 16. Nxc4 Rxc4 17. Be3 Qb6 18. Rab1 Rfc8 19. Rfc1 Qc7 20. Ne2 Bb5 21. Qd2 Bf8 22. Rxc4 Bxc4 23. Rc1 Qb6 24. f4 Rc6 25. Nc3 Qa6 26. g4 b5 27. f5 exf5 28. gxf5 b4 29. axb4 Bxb4 30. f6 Qc8 31. Qg2 g6 32. Qg5 Qh3 33. Qg3 Qe6 34. Bd2 Bf8 35. Ra1 Ra6 36. Rxa6 Qxa6 37. Bc1 Qb6 38. Qe3 Qc6 39. h4 Qe6 40. Qg3 Qf5 41. Qe1 Qg4+ 42. Kh2 Qxd4 43. Bg5 Qg4 44. Qd2 h6 45. Qf4 Qh5 46. e6 hxg5 47. e7 gxf4 0-1

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.11"]
[Round "3"]
[White "Campos Sanchez, Roberto"]
[Black "Solis Gomez, Jose Alberto"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1971"]
[BlackElo "1805"]
[PlyCount "51"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Be2 0-0 7. Be3 Nc6 8. f4 d5 9. e5 Ne8 10. Bf3 Nxd4 11. Qxd4 c6 12. 0-0 f6 13. Qd2 Kh8 14. Kh1 Nc7 15. Rae1 fxe5 16. fxe5 Bf5 17. Ne2 Ne6 18. c3 Bg5 19. Nd4 Bxe3 20. Qxe3 Qe7 21. Nxf5 Rxf5 22. Bg4 Rxf1+ 23. Rxf1 b6 24. h3 Re8 25. Kg1 Kg8 26. b4 1/2-1/2

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.02.04"]
[Round "2"]
[White "Espinoza Guerrero, Warner"]
[Black "Campos Sanchez, Roberto"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1797"]
[BlackElo "1971"]
[PlyCount "78"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. cxd5 cxd5 8. Bd3 a6 9. 0-0 b5 10. a3 Bb7 11. Qc2 Rc8 12. Rac1 Ne4 13. Bxe7 Qxe7 14. Bxe4 dxe4 15. Nd2 f5 16. Qb3 0-0 17. f3 exf3 18. Nxf3 Kh8 19. Qd1 Rcd8 20. Qe2 e5 21. Qf2 e4 22. Nh4 g6 23. g3 Nb6 24. Ng2 Nc4 25. Nf4 Rc8 26. b3 Nxa3 27. Qb2 b4 28. Ncd5 Qd6 29. Rc5 g5 30. Rfc1 gxf4 31. Nxf4 Rxc5 32. Rxc5 Nb5 33. Re5 Nc3 34. Qd2 Bd5 35. Nxd5 Nxd5 36. Qf2 Rf6 37. Rxf5 Qe6 38. g4 Rxf5 39. gxf5 Qf6 0-1

[Event "Santa Barbara op"]
[Site "Santa Barbara"]
[Date "2023.01.28"]
[Round "1"]
[White "Campos Sanchez, Roberto"]
[Black "Guillen Murillo, Sergio Guillermo"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1971"]
[BlackElo "1721"]
[PlyCount "44"]
[EventDate "2023.01.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CRI"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 h6 6. Bf4 0-0 7. Qd2 Kh7 8. 0-0-0 Nh5 9. Be3 c6 10. h3 Nf6 11. g4 Nfd7 12. h4 f6 13. Bd3 e5 14. Rhg1 exd4 15. Nxd4 Ne5 16. h5 g5 17. Qe2 Na6 18. Bxa6 bxa6 19. f4 Nf7 20. Nf5 Bxf5 21. gxf5 Kh8 22. Qxa6 Qb6 1-0

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.26"]
[Round "7.4"]
[White "Lievano, Luis"]
[Black "Campos Sanchez, Roberto"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2007"]
[BlackElo "2035"]
[PlyCount "64"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Be7 7. d4 e4 8. Ne5 f5 9. Nxc6 bxc6 10. a3 0-0 11. Qc2 Qd7 12. Nc3 Bf6 13. Rd1 Kh8 14. Na4 Be7 15. e3 Qe6 16. Bd2 Qh6 17. Rac1 Bd7 18. Nc5 Be8 19. Nb3 Bd6 20. Na5 Bh5 21. Re1 Bf3 22. Qxc6 Ne7 23. Qc4 g5 24. Nb7 Qh5 25. Nxd6 cxd6 26. d5 Kg8 27. Qd4 Ng6 28. Rc7 Ne5 29. h3 Bxg2 30. Kxg2 Qf3+ 31. Kg1 Qh5 32. Kg2 Qf3+ 1/2-1/2

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.25"]
[Round "5.3"]
[White "Campos Sanchez, Roberto"]
[Black "Arias Serrano, Luis Antonio"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "2035"]
[BlackElo "2115"]
[PlyCount "53"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d3 d6 6. h3 Nf6 7. 0-0 h6 8. b4 Bb6 9. Nbd2 g5 10. Nh2 g4 11. hxg4 Rg8 12. Ndf3 Nxg4 13. d4 Nxh2 14. Kxh2 Bg4 15. d5 Nb8 16. a4 a6 17. Be2 Nd7 18. Qd3 Nf6 19. a5 Ba7 20. Be3 Nh5 21. g3 Nf4 22. Bxf4 exf4 23. Nh4 Bxe2 24. Qxe2 Bxf2 25. Rxf2 fxg3+ 26. Kh3 gxf2 27. Qxf2 0-1

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.24"]
[Round "4.5"]
[White "Campos Sanchez, Roberto"]
[Black "Chung Hurtado, Yaleika"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2035"]
[BlackElo "1734"]
[PlyCount "76"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Bb5 Qc7 7. Nf3 Bxc5 8. Bxc5 Qxc5 9. Nc3 Ne7 10. 0-0 a6 11. Bd3 Qc7 12. Re1 Nc6 13. Qe2 Nc5 14. Rad1 Nxd3 15. Qxd3 b5 16. a3 Na5 17. b3 Bb7 18. Nd4 0-0 19. f4 Nc6 20. Nce2 Rac8 21. c3 Nxd4 22. cxd4 Qc2 23. Qe3 Qe4 24. Qxe4 dxe4 25. Rc1 Bd5 26. b4 f5 27. g3 Rfd8 28. Rxc8 Rxc8 29. Rc1 Bc4 30. Kf2 Rd8 31. Ke3 Bxe2 32. Kxe2 Rxd4 33. Rc6 Kf7 34. Rxa6 Ke7 35. Rb6 Rd5 36. Rb7+ Kf8 37. Rb8+ Kf7 38. Rb7+ Kf8 1/2-1/2

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.24"]
[Round "3.6"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Campos Sanchez, Roberto"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1805"]
[BlackElo "2035"]
[PlyCount "132"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Bd6 5. 0-0 b6 6. c4 0-0 7. Qc2 Nbd7 8. Rd1 Bb7 9. Nbd2 c5 10. b3 Rc8 11. Bb2 Qe7 12. Rac1 a6 13. Qb1 cxd4 14. Nxd4 Nc5 15. Qa1 Bb8 16. N4f3 Ncd7 17. a3 e5 18. cxd5 e4 19. Nd4 Bxd5 20. Nf5 Qe6 21. Nd4 Qe8 22. Rxc8 Qxc8 23. Rc1 Qb7 24. Nc4 Nc5 25. b4 Na4 26. Ne3 Nxb2 27. Qxb2 Be5 28. Qd2 Bxd4 29. Qxd4 Be6 30. h4 h6 31. Rc3 Rc8 32. Rxc8+ Qxc8 33. Qd2 Qc6 34. Nc2 Qc4 35. Nd4 Bd7 36. Bf1 Qd5 37. Qc3 Ng4 38. Bg2 Qe5 39. Bh3 e3 40. Bxg4 exf2+ 41. Kxf2 Bxg4 42. Qe3 Qd5 43. Nf3 Qb7 44. Qd4 Be6 45. Ke3 Qc7 46. Kf2 b5 47. Qe4 Qd6 48. Qd4 Qc6 49. Ke3 Qc1+ 50. Kf2 Qxa3 51. Nd2 Qa2 52. Ne4 Qb1 53. Nc5 Bc4 54. Qe5 Qb2 55. Qe8+ Kh7 56. Qe4+ g6 57. Nd7 Bxe2 58. Nf8+ Kg7 59. Qxe2 Qxe2+ 60. Kxe2 Kxf8 61. Ke3 Ke7 62. Ke4 Ke6 63. g4 f5+ 64. Kf4 fxg4 65. Kxg4 Ke5 66. Kf3 Kd4 0-1

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "2.6"]
[White "Campos Sanchez, Roberto"]
[Black "Sanchez, Steven"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2035"]
[BlackElo "2031"]
[PlyCount "76"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Nge2 Nge7 8. Qd2 Nd4 9. 0-0 0-0 10. Nc1 Nec6 11. Nd1 e5 12. c3 Ne6 13. Ne2 b6 14. Bh6 Bxh6 15. Qxh6 Qg5 16. Qxg5 Nxg5 17. Ne3 Ba6 18. Rfd1 Ne6 19. Nd5 Rac8 20. Rd2 Nc7 21. Bh3 f5 22. Ne3 Ne7 23. c4 Ne6 24. Nd5 Nc6 25. exf5 gxf5 26. f4 Rf7 27. b3 Rcf8 28. Bg2 Bb7 29. Re1 Re8 30. Kf2 Kg7 31. Bf3 Nf8 32. Bg2 Ng6 33. Rdd1 Nd4 34. Nec3 Nc2 35. Re2 Nd4 36. Ree1 Nc2 37. Re2 Nd4 38. Ree1 Nc2 1/2-1/2

[Event "Pan American-ch Amateur U2300"]
[Site "San Jose"]
[Date "2019.10.23"]
[Round "1.2"]
[White "Leon Archibaldo, Orlando Andres"]
[Black "Campos Sanchez, Roberto"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2220"]
[BlackElo "2035"]
[PlyCount "77"]
[EventDate "2019.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 a6 4. g3 Nc6 5. Bg2 Nf6 6. 0-0 Qc7 7. f4 d6 8. a4 Be7 9. d3 0-0 10. h3 Rb8 11. g4 b5 12. axb5 axb5 13. Ng3 b4 14. Nce2 Rd8 15. g5 Nd7 16. c3 Nb6 17. h4 d5 18. Qe1 bxc3 19. bxc3 dxe4 20. dxe4 Nc4 21. f5 Bd6 22. Nh5 N6e5 23. Nef4 Nb2 24. Qe2 Nbd3 25. Kh1 Nxc1 26. Raxc1 c4 27. Bh3 Re8 28. Nxg7 Kxg7 29. Nh5+ Kh8 30. Nf6 Rg8 31. Nxh7 f6 32. Nxf6 Kg7 33. fxe6 Rh8 34. h5 Rf8 35. h6+ Kh8 36. Qh5 Qe7 37. Nd5 Qe8 38. Rxf8+ Qxf8 39. g6 1-0

