[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.15"]
[Round "9"]
[White "Koperski, Dustin"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1793"]
[BlackElo "1956"]
[PlyCount "76"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. exd6 Bxd6 9. Bd3 Nf6 10. Qe2 h6 11. 0-0 0-0 12. Rd1 Qc7 13. Nbd2 Ne5 14. Nxe5 Bxe5 15. Nf3 Bd6 16. h3 e5 17. Bc2 Re8 18. Nd2 Be6 19. Ne4 Nxe4 20. Qxe4 f5 21. Qe1 Rad8 22. b3 e4 23. Bd2 Be5 24. Rac1 Bf7 25. Rb1 Bh5 26. Rdc1 Qd6 27. Be3 Qf6 28. Bd4 Bxd4 29. cxd4 Qxd4 30. Qe3 Qxe3 31. fxe3 Rd2 32. b4 Bf7 33. Ba4 Re7 34. a3 Rd3 35. Kf2 Rxa3 36. Bb5 a6 37. Be2 Ra2 38. Kf1 Rd7 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.14"]
[Round "8"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Eiriksson, Sigurdur"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1956"]
[BlackElo "1810"]
[PlyCount "93"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Bd6 6. dxc5 Bxc5 7. Be2 Ne7 8. 0-0 0-0 9. Nb3 Bb6 10. Nbd4 Nbc6 11. Be3 Bg4 12. c3 Rc8 13. Qa4 Bd7 14. Qc2 h6 15. Rad1 Re8 16. Qd2 Nxd4 17. Nxd4 Bc6 18. Bg4 Bd7 19. Bf3 Bc6 20. Rfe1 Qd6 21. Bg4 Rcd8 22. Bf4 Qg6 23. Be2 Qf6 24. Bd3 Ng6 25. Be3 Ne5 26. Bb1 Ng6 27. Qd3 Rd7 28. Nxc6 bxc6 29. Bxb6 Rxe1+ 30. Rxe1 axb6 31. Re8+ Kh7 32. g3 Rd8 33. Rxd8 Qxd8 34. h4 Kg8 35. Qe3 Ne7 36. Qd3 g6 37. h5 Qd6 38. Qe3 Qe6 39. hxg6 Qxe3 40. gxf7+ Kxf7 41. fxe3 Kf6 42. Kf2 Nc8 43. Kf3 Nd6 44. Bd3 Nf7 45. a4 Ke5 46. b4 Kd6 47. Kf4 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "6"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Birkisson, Bardur Orn"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "1956"]
[BlackElo "2342"]
[PlyCount "119"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 g6 5. d4 Bg7 6. c4 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bd2 c5 10. Bc3 Nc6 11. e3 cxd4 12. Nxd4 Bxg2 13. Kxg2 Nxd4 14. Bxd4 Qc7 15. Bxg7 Kxg7 16. Qd4+ Kg8 17. Rfd1 d6 18. h4 Rfc8 19. b3 Qb7+ 20. Qd5 Qxd5+ 21. Rxd5 h5 22. Rad1 a6 23. R1d2 Rab8 24. e4 b5 25. cxb5 axb5 26. e5 dxe5 27. Rxe5 Rb7 28. Kf3 b4 29. Re4 Rc3+ 30. Ke2 Rc5 31. Red4 Ra5 32. Rc4 Kg7 33. Kd1 e5 34. Ke2 Ra6 35. Ke3 Kf6 36. f4 Re6 37. fxe5+ Rxe5+ 38. Re4 Kf5 39. Rf2+ Ke6 40. Rxe5+ Kxe5 41. Rf4 f6 42. Rc4 Rb5 43. Kf3 g5 44. g4 f5 45. gxf5 g4+ 46. Kg3 Kxf5 47. Rd4 Ke5 48. Rc4 Kd5 49. Kf4 Kd6 50. Kg3 Ke5 51. Rf4 Rb8 52. Rc4 Rb7 53. Rc5+ Kd4 54. Rxh5 Ra7 55. Rb5 Kc3 56. Rc5+ Kb2 57. Rb5 Kc3 58. Rc5+ Kb2 59. Rb5 Kc3 60. Rc5+ 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "7"]
[White "Dauth, Benjamin"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2228"]
[BlackElo "1956"]
[PlyCount "51"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nc3 Bg7 7. f4 Nh6 8. h3 Nf5 9. Nf3 Ng3 10. Rg1 Nxf1 11. Rxf1 h5 12. Qb3 0-0 13. Be3 e6 14. g4 hxg4 15. hxg4 f6 16. Qc2 f5 17. Qh2 Qd7 18. Rh1 Kf7 19. Ng5+ Ke7 20. Qh7 Kd8 21. Qxg6 fxg4 22. Rh7 Rg8 23. Nb5 Ne7 24. Nf7+ Ke8 25. Nfd6+ Kd8 26. Rxg7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.12"]
[Round "5"]
[White "Ravi Krishna, G."]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2100"]
[BlackElo "1956"]
[PlyCount "129"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nf3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. 0-0 a6 10. a4 Re8 11. Re1 Nbd7 12. Nc3 Ne5 13. Nxe5 Rxe5 14. Bf4 Re8 15. Qd2 Nh5 16. Bh2 g5 17. Ne2 h6 18. g4 Nf6 19. Nc3 Nd7 20. Kg2 Ne5 21. Rf1 Ng6 22. Bg3 Be5 23. Ne2 Qf6 24. f4 gxf4 25. Nxf4 Qg5 26. Rad1 Bd7 27. b3 b5 28. a5 Rac8 29. Nh5 Qxd2+ 30. Rxd2 Re7 31. Bxe5 dxe5 32. Rc2 Be8 33. Rfc1 Rec7 34. Kf3 Kf8 35. Ke3 Ke7 36. Bf1 Nf8 37. Rf2 Rd7 38. Ng3 Kd8 39. Nf5 Ng6 40. Rfc2 Rdc7 41. Nd6 Ra8 42. Rxc5 Rxc5 43. Rxc5 Nf4 44. h4 f6 45. Nxe8 Kxe8 46. Rc6 Kf7 47. h5 Ra7 48. Kd2 f5 49. gxf5 Nxh5 50. Rxh6 Nf6 51. Bd3 Ra8 52. Kc3 Rc8+ 53. Kb4 Rc1 54. Rh2 Rd1 55. Bc2 Rd4+ 56. Kc5 Nxe4+ 57. Bxe4 Rxe4 58. Rh7+ Kf6 59. Rh6+ Kxf5 60. Rxa6 Re3 61. b4 Rd3 62. Re6 e4 63. a6 e3 64. a7 Ra3 65. Kb6 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.11"]
[Round "4"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Schouten, Mathias Lind"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "1956"]
[BlackElo "2279"]
[PlyCount "102"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c6 6. 0-0 d5 7. cxd5 cxd5 8. d4 Nc6 9. a3 Ne4 10. Nxe4 dxe4 11. Ng5 Qxd4 12. Bxe4 h6 13. Bxc6 Qxd1 14. Rxd1 bxc6 15. Ne4 Bf5 16. Nc3 Rab8 17. e4 Be6 18. e5 Bxe5 19. Bxh6 Rfc8 20. Rd2 Rxb2 21. Rxb2 Bxc3 22. Rab1 Bxb2 23. Rxb2 Rd8 24. Rd2 Rb8 25. Rc2 Bd5 26. Be3 Rb3 27. Bc1 e5 28. Kf1 Kg7 29. Ke2 Kf6 30. h4 a6 31. Kd2 Ke6 32. Rc3 Rb5 33. Ke3 f5 34. f3 Rb1 35. g4 f4+ 36. Ke2 Kd6 37. Bd2 c5 38. h5 gxh5 39. gxh5 Rh1 40. Be1 Rxh5 41. Bf2 c4 42. Kf1 Rh1+ 43. Kg2 Rb1 44. Bh4 Rb2+ 45. Kh3 Rb3 46. Be1 Rxc3 47. Bxc3 Bxf3 48. Kh4 Kd5 49. Kg5 Ke4 50. Kf6 Bd1 51. Bxe5 f3 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "2"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Eiriksson, Theodor"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1956"]
[BlackElo "1742"]
[PlyCount "53"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. Qc2 h6 9. cxd5 exd5 10. a3 Re8 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 Be6 14. Nc3 b6 15. Rfd1 Rc8 16. Qb2 Qc7 17. Rac1 Qb7 18. b4 Red8 19. Qb1 Rc7 20. Rd2 Rcd7 21. Rcd1 Ne8 22. f4 Bf6 23. f5 Bxd4+ 24. Rxd4 Rc7 25. fxe6 Rxc3 26. Rxd5 Rdc8 27. Rd7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "3"]
[White "Lindbergh, Theodor"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "0-1"]
[ECO "A72"]
[WhiteElo "2264"]
[BlackElo "1956"]
[PlyCount "72"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 0-0 9. Be3 a6 10. a4 Bg4 11. Nd2 Bxe2 12. Qxe2 Nbd7 13. 0-0 Re8 14. Rfe1 Nh5 15. g4 Nhf6 16. f3 Qe7 17. a5 Rab8 18. Bf2 Ne5 19. h3 g5 20. Bg3 Nfd7 21. Nf1 Qf6 22. Nd2 Ng6 23. Kh2 Nf4 24. Qe3 Ne5 25. Ne2 Nxd5 26. Qb3 Nb4 27. f4 Ned3 28. e5 dxe5 29. fxg5 Qxg5 30. Ne4 Qg6 31. N2c3 Nxe1 32. Rxe1 Nc6 33. Rf1 Nd4 34. Qc4 b6 35. Rf2 b5 36. Qxc5 b4 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.09"]
[Round "1"]
[White "Bloem, Milan"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1/2-1/2"]
[ECO "A66"]
[WhiteElo "1773"]
[BlackElo "1956"]
[PlyCount "58"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 a6 8. e5 Nfd7 9. Qe2 Qe7 10. e6 fxe6 11. Qxe6 Qxe6+ 12. dxe6 Nb6 13. Nf3 Bxe6 14. Bd3 Nc6 15. Ng5 Bg8 16. f5 h6 17. Ne6 Bxe6 18. fxe6 Ne5 19. Be4 0-0-0 20. Nd5 Nxd5 21. Bxd5 Nd3+ 22. Kd2 Nf4 23. Bb3 d5 24. Re1 c4 25. e7 Bxe7 26. Rxe7 cxb3 27. g3 Nh3 28. axb3 Rhf8 29. Ra5 Rd7 1/2-1/2

[Event "Montesilvano Easter op 8th"]
[Site "Montesilvano"]
[Date "2023.04.10"]
[Round "5"]
[White "Frescura, Davide"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2050"]
[BlackElo "1983"]
[PlyCount "51"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[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. f3 Be7 10. Be3 Qc7 11. g4 Nxd4 12. Bxd4 b5 13. Ne2 e5 14. Be3 Be6 15. Kb1 Nd7 16. Ng3 Nb6 17. Nf5 Bxf5 18. gxf5 Nc4 19. Bxc4 Qxc4 20. Rhg1 g6 21. f4 0-0 22. Qg2 exf4 23. Bd4 Rfc8 24. h4 Bxh4 25. Qh2 Be7 26. Qxh7+ 1-0

[Event "Montesilvano Easter op 8th"]
[Site "Montesilvano"]
[Date "2023.04.07"]
[Round "1"]
[White "Loiacono, Antonio"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2357"]
[BlackElo "1983"]
[PlyCount "101"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 g6 7. Bg5 Bg7 8. Qd2 h6 9. Bf4 g5 10. Be3 Ng4 11. Be2 Nxe3 12. Qxe3 Be6 13. Qd2 Qb6 14. Nd5 Bxd5 15. exd5 Nd4 16. Nxd4 Qxd4 17. Qxd4 Bxd4 18. c3 Be5 19. a4 Rc8 20. 0-0 0-0 21. Ra3 Rc5 22. Rd1 b6 23. Rb3 e6 24. dxe6 fxe6 25. g3 Kf7 26. Rb4 Ke7 27. Kg2 Bg7 28. Bg4 Rfc8 29. Be2 Rf8 30. Bg4 Rfc8 31. Re1 Re5 32. Rxe5 Bxe5 33. Re4 Rf8 34. h4 Rf6 35. hxg5 hxg5 36. a5 Rf8 37. axb6 axb6 38. Bd1 Bf6 39. Bb3 e5 40. Ra4 Kd7 41. Bd5 Rc8 42. Ra7+ Rc7 43. Ra6 Rc5 44. c4 Bd8 45. b4 Rc8 46. Ra7+ Rc7 47. Ra8 Ke7 48. b5 Rc5 49. Kf3 Rc7 50. Bc6 d5 51. cxd5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.04"]
[Round "9"]
[White "Gosling, Marcus"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1/2-1/2"]
[ECO "D05"]
[BlackElo "1983"]
[PlyCount "60"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. d4 Nbd7 6. Be2 Bd6 7. dxc5 Bxc5 8. 0-0 0-0 9. c4 Qe7 10. cxd5 Nxd5 11. Nc3 Nxc3 12. Bxc3 Nf6 13. Qc1 Bd7 14. Qb2 Ba3 15. Bxf6 gxf6 16. Qd4 Bc6 17. Rfd1 Bc5 18. Qh4 e5 19. Qh5 Be4 20. Rac1 Bg6 21. Qh3 Rfd8 22. Nh4 Rxd1+ 23. Rxd1 Rd8 24. Nxg6 Rxd1+ 25. Bxd1 fxg6 26. Qc8+ Kg7 27. Be2 b6 28. Bc4 a5 29. Qg8+ Kh6 30. g3 Qf8 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.03"]
[Round "8"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Densing, Gerd"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1983"]
[BlackElo "1777"]
[PlyCount "67"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Qe2 Nxe4 9. Bxe4 Bxe4 10. Qxe4 c6 11. Re1 Be7 12. c3 Nf6 13. Qc2 0-0 14. b3 Qc7 15. Bb2 c5 16. c4 cxd4 17. Bxd4 Bc5 18. Bc3 Ng4 19. Re2 Qb6 20. h3 Nxf2 21. Rxf2 Bxf2+ 22. Qxf2 Qxf2+ 23. Kxf2 Rfd8 24. Ke2 f6 25. Rc1 Kf7 26. Bd4 b6 27. b4 Rac8 28. Be3 Rd7 29. Nd4 Rdc7 30. Nb5 Rd7 31. c5 bxc5 32. bxc5 Kg6 33. c6 Rd5 34. Nxa7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.01"]
[Round "6"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Danielsson, Grimur"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1983"]
[BlackElo "1570"]
[PlyCount "99"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 d6 4. Bc4 Nf6 5. Nbd2 0-0 6. 0-0 a6 7. Bb3 Nbd7 8. e5 dxe5 9. dxe5 Ng4 10. e6 Nc5 11. exf7+ Kh8 12. Bc4 b5 13. Be2 Nh6 14. Nb3 Qxd1 15. Rxd1 Na4 16. Nbd4 Bb7 17. Ne6 Nxf7 18. Nxf8 Rxf8 19. Nd4 Bc8 20. c3 e5 21. Nc2 Bf5 22. Ne3 Bc8 23. Re1 e4 24. Bd1 Nxc3 25. Bb3 Na4 26. Bxa4 bxa4 27. Nc4 Nd6 28. Nxd6 cxd6 29. Rb1 Bf5 30. Be3 d5 31. Rbd1 Bxb2 32. Bd4+ Bxd4 33. Rxd4 Rd8 34. g4 Bxg4 35. Rexe4 Bf3 36. Re3 Rf8 37. Rxa4 Rf6 38. Kf1 Be4 39. Rea3 Rc6 40. Ke2 Rc2+ 41. Ke3 Rc1 42. f3 Bf5 43. Rxa6 Rh1 44. Ra7 Rd1 45. Rc7 Re1+ 46. Kd4 Rd1+ 47. Ke5 Re1+ 48. Kxd5 Be6+ 49. Kd6 Bg8 50. Ra8 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.01"]
[Round "5"]
[White "Thorisson, Benedikt"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1725"]
[BlackElo "1983"]
[PlyCount "105"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be6 8. Be3 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Qxd5 Bxd5 12. 0-0-0 0-0-0 13. Kb1 Be7 14. Bb5 a6 15. Bxc6 Bxc6 16. Bb6 Rxd1+ 17. Rxd1 Bd8 18. Be3 h5 19. Nd2 Bc7 20. Ne4 Rd8 21. Rxd8+ Kxd8 22. Bc5 Kd7 23. c4 Bxe4+ 24. fxe4 Kc6 25. Bf8 Bd6 26. Bxg7 Kc5 27. b3 Kd4 28. Kc2 Kxe4 29. Kd2 f5 30. Bh6 f4 31. Ke2 Be7 32. Bg7 Ba3 33. Bf6 Kf5 34. Bh4 e4 35. Be1 b5 36. cxb5 axb5 37. h3 Ke5 38. Bc3+ Kd5 39. Bg7 Bd6 40. Bb2 b4 41. Bf6 Ke6 42. Bd4 Be7 43. Bg7 Bc5 44. Bb2 Kf5 45. Bc1 Bd6 46. Bd2 e3 47. Bc1 Ke4 48. Bb2 Be5 49. Bc1 Bd6 50. Bb2 Bc5 51. Bc1 Be7 52. Bb2 Bd6 53. Bc1 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.31"]
[Round "4"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Von Kistowski, Fynn"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1983"]
[BlackElo "1548"]
[PlyCount "85"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e6 4. Ngf3 Ne7 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. e5 c5 9. Re1 Nec6 10. c3 f6 11. exf6 Bxf6 12. Nf1 Bg7 13. Bg5 Qd6 14. Qd2 Ne7 15. Bf4 Qb6 16. Be5 Nbc6 17. Bxg7 Kxg7 18. h4 Qc7 19. N1h2 Bd7 20. d4 Rf5 21. Bh3 Rf6 22. dxc5 Raf8 23. Bg2 e5 24. Rf1 e4 25. Nd4 Ne5 26. b4 Nd3 27. f4 exf3 28. Qxd3 Qxg3 29. Rxf3 Rxf3 30. Ndxf3 Bh3 31. Qe2 Nf5 32. Qe5+ Qxe5 33. Nxe5 Bxg2 34. Kxg2 Ne3+ 35. Kg1 Rf4 36. Nhf3 Nf5 37. Rd1 Nxh4 38. Nxh4 Rxh4 39. Rxd5 Re4 40. b5 Kf6 41. c6 bxc6 42. bxc6 Rxe5 43. Rxe5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.30"]
[Round "2"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Kusa, Jakub"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1983"]
[BlackElo "2373"]
[PlyCount "40"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 Bb6 7. b4 Ne7 8. a4 c6 9. Bb3 0-0 10. Nbd2 Ng6 11. Bb2 d5 12. c4 d4 13. c5 Bc7 14. Qc2 Nh5 15. Nc4 Nhf4 16. b5 Qf6 17. Nd6 Bxd6 18. cxd6 Nxg2 19. Kxg2 Bh3+ 20. Kg3 Qf4+ 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.30"]
[Round "3"]
[White "Tacconi, Antonio"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1736"]
[BlackElo "1983"]
[PlyCount "74"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d5 7. cxd5 Nxd5 8. Qb3 Nb6 9. d3 Nc6 10. Be3 Nd4 11. Qd1 e5 12. Qd2 Bg4 13. Bxd4 cxd4 14. Nb5 Qd7 15. Na3 Nd5 16. Nc4 Rfe8 17. Qa5 b5 18. Ncd2 Nb6 19. Nb3 Rac8 20. Rfc1 Na4 21. Qd2 Be6 22. Rxc8 Rxc8 23. Rc1 Rxc1+ 24. Qxc1 f6 25. Nfd2 Bf8 26. Ne4 Kg7 27. Qc2 a6 28. Nc1 f5 29. Ng5 Bg8 30. Nf3 Bd6 31. Nb3 Qc7 32. Qd2 Nc5 33. Nxc5 Qxc5 34. a3 Bc7 35. Ne1 Bb3 36. Bb7 a5 37. h4 b4 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.29"]
[Round "1"]
[White "Rakhmangulova, Anastasiya"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2266"]
[BlackElo "1983"]
[PlyCount "51"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nb3 Ne5 8. Be2 g6 9. Be3 Qc7 10. Nb5 Qb8 11. Nc3 Bg7 12. f4 Nc6 13. g4 Nd7 14. Qd2 a6 15. h4 b5 16. h5 h6 17. hxg6 fxg6 18. 0-0-0 Nb6 19. g5 b4 20. Nd5 Na4 21. Nd4 Nxd4 22. Bxd4 e5 23. fxe5 h5 24. exd6 0-0 25. Ne7+ Kh7 26. Bxh5 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2019.01.13"]
[Round "4"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Chinchilla Miranda, Eugenio"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2006"]
[BlackElo "2220"]
[PlyCount "94"]
[EventDate "2019.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CRI"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 exf6 5. dxc5 Bxc5 6. Bb5+ Nc6 7. Ne2 Qb6 8. Nbc3 Be6 9. 0-0 0-0 10. Bxc6 bxc6 11. Na4 Qa5 12. Nxc5 Qxc5 13. Nd4 Qb6 14. b4 Rfc8 15. c3 c5 16. Nxe6 fxe6 17. Qd2 cxb4 18. cxb4 Rc4 19. a3 a5 20. bxa5 Qxa5 21. Qxa5 Rxa5 22. Ra2 g5 23. Rb1 Kg7 24. Kf1 h5 25. Rb6 Kf7 26. Rb3 h4 27. f3 Kg6 28. g4 f5 29. h3 Kf6 30. Kg2 f4 31. exf4 gxf4 32. Rb8 Rac5 33. Re2 Rc2 34. Rb2 Rxe2+ 35. Rxe2 Ra5 36. Ra2 Ra4 37. Kf2 e5 38. Rd2 Ke6 39. Rd3 Rc4 40. Rd2 e4 41. fxe4 dxe4 42. Ra2 Ra4 43. Ra1 Ke5 44. Ke2 f3+ 45. Ke3 Rd4 46. g5 Rd3+ 47. Kf2 Kf4 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2019.01.13"]
[Round "5"]
[White "Jimenez Garcia, Emanuel"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2335"]
[BlackElo "2006"]
[PlyCount "46"]
[EventDate "2019.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CRI"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d5 6. c4 c6 7. 0-0 Nbd7 8. Qc2 dxc4 9. bxc4 Nc5 10. Nc3 Bf5 11. d3 Qc8 12. Ba3 Nfd7 13. h3 e5 14. g4 Be6 15. Ne4 b6 16. Nfg5 Rd8 17. Nxe6 Nxe6 18. Be7 f5 19. gxf5 gxf5 20. Nd6 Qc7 21. Nxf5 Re8 22. e3 Bf8 23. Bh4 Ng7 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2019.01.11"]
[Round "2"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Chaves Sanchez, Gabriel A"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2006"]
[BlackElo "2142"]
[PlyCount "128"]
[EventDate "2019.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CRI"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 g6 5. Nd2 Bg7 6. Bd3 Nc6 7. Ngf3 0-0 8. h3 Nd7 9. 0-0 e5 10. dxe5 Ndxe5 11. Be2 Be6 12. Ng5 Bf5 13. e4 dxe4 14. g4 Bc8 15. Ndxe4 h6 16. Qxd8 Rxd8 17. Nf3 b6 18. Nxe5 Nxe5 19. Bxe5 Bxe5 20. f4 Bg7 21. f5 Re8 22. Bb5 Re5 23. Bc6 Rb8 24. fxg6 fxg6 25. Nf6+ Bxf6 26. Rxf6 Kg7 27. Raf1 Be6 28. R6f4 Rd8 29. b3 Rd3 30. R4f3 Rd2 31. R1f2 Re1+ 32. Kg2 Rd6 33. Bb7 c4 34. b4 Rdd1 35. Rf1 Rd2+ 36. R3f2 Rxf1 37. Kxf1 Rd3 38. Rf3 Rd1+ 39. Kg2 Ra1 40. Rf2 Rc1 41. Re2 Bf7 42. Re7 Kf6 43. Re3 Rc2+ 44. Kf3 Rxa2 45. Ke4 Rd2 46. Rf3+ Kg7 47. Ke5 a5 48. bxa5 bxa5 49. Bc6 Rd8 50. Rf2 Rd3 51. Ra2 Rxc3 52. Rxa5 Rxh3 53. Ra7 Rd3 54. Be4 Rd2 55. Rc7 h5 56. gxh5 gxh5 57. Bf3 h4 58. Bg4 Rd3 59. Ke4 Kf6 60. Be2 h3 61. Rc6+ Kg5 62. Bxd3 h2 63. Rc5+ Kh4 64. Bxc4 h1Q+ 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2019.01.10"]
[Round "1"]
[White "Duran Vega, Sergio"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2396"]
[BlackElo "2006"]
[PlyCount "67"]
[EventDate "2019.01.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CRI"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 a6 10. a4 Re8 11. Re1 Ng4 12. h3 Ne5 13. Nxe5 Bxe5 14. Qc2 Nd7 15. Bd2 Rb8 16. a5 b5 17. axb6 Nxb6 18. Nd1 Bd7 19. Bc3 Bb5 20. e4 Qf6 21. Ne3 Bxc3 22. bxc3 Nc4 23. Nxc4 Bxc4 24. Re3 Rb6 25. Rae1 Reb8 26. Qa4 Bb5 27. Qa5 Bc4 28. e5 dxe5 29. Qxc5 Ba2 30. Rxe5 Qd6 31. Qd4 Rb1 32. Rxb1 Rxb1+ 33. Kh2 Rb8 34. Re2 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.16"]
[Round "8"]
[White "Castillo Trujillo, Ivan"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "58"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. g3 e6 4. Bg2 Nc6 5. Nc3 Be7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 a6 10. b3 d6 11. Bb2 Qc7 12. Rfd1 e5 13. Qd2 Be6 14. Rac1 Rad8 15. e4 Nd7 16. h3 h6 17. Kh2 Bg5 18. f4 exf4 19. gxf4 d5 20. Rf1 dxc4 21. Qf2 Nc5 22. Qg3 Rd3 23. Qf2 Rdd8 24. Qg3 Rd3 25. Qf2 Rfd8 26. Nd5 Bxd5 27. exd5 b5 28. Be5 Qd7 29. d6 Qc6 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.15"]
[Round "9"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Duran Vega, Sergio"]
[Result "0-1"]
[ECO "E91"]
[BlackElo "1979"]
[PlyCount "116"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Nf3 0-0 7. Be2 e6 8. 0-0 exd5 9. exd5 Bg4 10. Bg5 Nbd7 11. Nb5 Bxf3 12. Bxf3 Ne5 13. Be2 h6 14. Bxf6 Qxf6 15. f4 Nd7 16. Nc3 Qd4+ 17. Kh1 Qxd1 18. Nxd1 Rfe8 19. Bd3 f5 20. Rb1 Re7 21. g4 fxg4 22. Bxg6 Rf8 23. Kg2 Re2+ 24. Kg3 Ne5 25. Bh5 Nxc4 26. Bxg4 Re4 27. Be6+ Kh8 28. f5 Nd2 29. Nc3 Nxf1+ 30. Rxf1 Bxc3 31. bxc3 Rf6 32. Rf4 Rxf4 33. Kxf4 Kg7 34. c4 Rf8 35. a4 Kf6 36. h4 Re8 37. Kg4 b6 38. Kh5 Kg7 39. Kg4 a6 40. Kf4 Kf6 41. Kg4 Re7 42. Kf4 Rg7 43. Bc8 a5 44. Be6 Rg1 45. Bd7 h5 46. Kf3 Rg4 47. Bb5 Rxh4 48. Kg3 Rd4 49. Kf3 Kxf5 50. Kg3 Ke4 51. Kh4 Kd3+ 52. Kg5 h4 53. Kf5 h3 54. Ke6 h2 55. Kxd6 h1Q 56. Kc7 Qh6 57. Kd7 Rg4 58. d6 Rd4 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.14"]
[Round "7"]
[White "Hernandez Coto, Carlos Enrique"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2002"]
[PlyCount "112"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 Qb6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. cxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Bc5 13. Qg4 Kf8 14. h4 f6 15. exf6 Nxf6 16. Qa4 Bd7 17. Qc2 Qd6 18. Ne5 Bd4 19. Nxd7+ Qxd7 20. Kh1 Qd6 21. Qe2 e5 22. Bf5 Kf7 23. g4 g6 24. Bb1 Rae8 25. f3 Kg7 26. Qd2 h5 27. g5 Nd7 28. a4 Qe6 29. Kg2 Rhf8 30. Ra3 Bc5 31. b4 Bd4 32. a5 Rf4 33. Qe1 Rf7 34. Rd3 e4 35. fxe4 Rxf1 36. Kxf1 Rf8+ 37. Ke2 Rf2+ 38. Qxf2 Bxf2 39. Kxf2 dxe4 40. Bb2+ Kh7 41. Re3 Qf5+ 42. Ke1 Qg4 43. Bxe4 Qxh4+ 44. Kd2 Qxg5 45. Bxb7 Qf4 46. Kd3 Qxb4 47. Bc8 Nc5+ 48. Kc2 Na4 49. Bc3 Nxc3 50. Rxc3 Qxa5 51. Bh3 g5 52. Bf1 Qa2+ 53. Kd3 Qb1+ 54. Kd4 Qxf1 55. Rc7+ Kg6 56. Rc6+ Qf6+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "6"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Carvajal Gorgona, Jonathan G"]
[Result "0-1"]
[ECO "D45"]
[BlackElo "2175"]
[PlyCount "58"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. Rg1 dxc4 9. Bxc4 b5 10. Bb3 c5 11. Nxb5 Qa5+ 12. Nc3 Bb7 13. g5 Bxf3 14. gxf6 Nxf6 15. Bxe6 Be4 16. Qb3 0-0 17. Bd2 Qd8 18. Nxe4 Nxe4 19. 0-0-0 cxd4 20. Bc4 Qc7 21. Kb1 Rab8 22. Qc2 Nxf2 23. exd4 Nxd1 24. Rxd1 Rfc8 25. Rc1 Ba3 26. Bxf7+ Qxf7 27. Qxc8+ Rxc8 28. Rxc8+ Kh7 29. bxa3 Qb7+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "5"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Granados Ramirez, Carlos Ricardo"]
[Result "1/2-1/2"]
[ECO "E14"]
[BlackElo "2150"]
[PlyCount "27"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 b6 7. cxd5 exd5 8. Bd3 Be7 9. e4 dxe4 10. Nxe4 Bb7 11. 0-0 0-0 12. Ne5 Rc8 13. Ng5 g6 14. Qe2 1/2-1/2

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.07"]
[Round "4"]
[White "Murillo Ortiz, Gustavo"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1988"]
[PlyCount "70"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. b3 a6 10. Rd1 Nc6 11. Qd2 Qc7 12. Bb2 0-0 13. Rac1 Rad8 14. e4 Nb8 15. Qe2 Nbd7 16. Ne1 Rfe8 17. Kh1 Bf8 18. Nd3 Qb8 19. Rc2 Qa8 20. f4 d5 21. cxd5 exd5 22. e5 d4 23. Nb1 Nc5 24. Nxc5 Bxc5 25. Bxb7 Qxb7+ 26. Qg2 Qxg2+ 27. Rxg2 Ng4 28. Rd3 f6 29. Re2 fxe5 30. fxe5 Rxe5 31. Rdd2 Rxe2 32. Rxe2 d3 33. Rd2 Be3 34. Kg2 Bxd2 35. Nxd2 Rc8 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.03"]
[Round "3"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Montenegro, Esteban"]
[Result "1-0"]
[ECO "A25"]
[BlackElo "2013"]
[PlyCount "69"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e3 f5 7. Nge2 Nf6 8. Rb1 0-0 9. 0-0 g5 10. f4 gxf4 11. exf4 Kh8 12. b4 a6 13. a4 Rb8 14. b5 axb5 15. axb5 Ne7 16. Bb2 b6 17. Na2 Ng6 18. Nb4 Bd7 19. Na6 Rc8 20. Bb7 Qe7 21. Bxc8 Bxc8 22. fxe5 Ng4 23. Nf4 Nxf4 24. Rxf4 dxe5 25. Rxg4 fxg4 26. Qe2 Bb7 27. d4 Bf3 28. Qe3 Qf7 29. dxe5 Qg6 30. Rc1 Bh6 31. e6+ Kg8 32. Qd4 Qf6 33. Qxf6 Rxf6 34. Bxf6 Bxc1 35. e7 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.01"]
[Round "2"]
[White "Urbina Quiroz, Edwin"]
[Black "Alfaro Guillen, Jose Raul"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2080"]
[PlyCount "109"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf5 Bxf5 8. exf5 Be7 9. Nd5 Nc6 10. Nxf6+ Bxf6 11. Bd5 0-0 12. 0-0 Qc7 13. c3 Ne7 14. Qd3 Nxd5 15. Qxd5 Qc6 16. Rd1 Rfd8 17. Be3 Rac8 18. Rac1 Rd7 19. c4 Qxd5 20. Rxd5 Rdc7 21. b3 Rc6 22. Rcd1 Be7 23. a4 h6 24. Bc1 Rb6 25. R5d3 Rbc6 26. Ba3 Rb6 27. a5 Rbc6 28. Bxd6 Bxd6 29. Rxd6 Rxd6 30. Rxd6 Rc5 31. g4 Rxa5 32. Rb6 Ra1+ 33. Kg2 a5 34. Rxb7 a4 35. bxa4 Rxa4 36. Rc7 Kf8 37. h3 Rb4 38. h4 f6 39. Kf3 Rb2 40. h5 Rd2 41. Ke3 Rd4 42. f3 Kg8 43. c5 Rc4 44. c6 Kf8 45. Kd3 Rf4 46. Rd7 Ke8 47. Rxg7 Rxf3+ 48. Ke4 Rc3 49. c7 Rc5 50. g5 fxg5 51. f6 g4 52. Rg8+ Kd7 53. c8Q+ Rxc8 54. Rxc8 Kxc8 55. f7 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "1"]
[White "Alfaro Guillen, Jose Raul"]
[Black "Solano Lopez, Royner"]
[Result "1-0"]
[ECO "A25"]
[BlackElo "2083"]
[PlyCount "97"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e3 f5 7. Nge2 Nf6 8. Rb1 a5 9. a3 0-0 10. b4 axb4 11. axb4 Rb8 12. 0-0 Be6 13. Qc2 Qd7 14. Nb5 Ne7 15. d4 c6 16. dxe5 dxe5 17. Rd1 Qc8 18. Nd6 Qc7 19. c5 Ned5 20. Bd2 Ne8 21. b5 Nxd6 22. cxd6 Qxd6 23. Bxd5 Bxd5 24. Bb4 Qe6 25. Bxf8 Rxf8 26. Qc5 Bf3 27. Rd6 Qc8 28. Nc3 f4 29. Qc4+ Kh8 30. Qe6 fxe3 31. fxe3 cxb5 32. Qxc8 Rxc8 33. Nxb5 Bh6 34. Rb3 Rc2 35. Rc3 Rxc3 36. Nxc3 Bxe3+ 37. Kf1 Bc6 38. Nd5 Bc5 39. Rd8+ Kg7 40. Nc3 Kf6 41. Rc8 Kf5 42. Ne2 Kg4 43. Rc7 h5 44. Ng1 Bd4 45. Rg7 g5 46. Ne2 Bb2 47. h3+ Kxh3 48. Rxg5 Bf3 49. Ng1+ 1-0

