[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.14"]
[Round "9"]
[White "Quesada Fallas, Esteban"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1654"]
[BlackElo "1899"]
[PlyCount "70"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. 0-0 Be7 6. d4 cxd4 7. cxd5 Nxd5 8. Nxd4 0-0 9. Qb3 Bc5 10. Rd1 Qf6 11. Nf3 Nc6 12. Nbd2 Qe7 13. Nc4 a5 14. e4 a4 15. Qc2 Ndb4 16. Qc3 b5 17. Nce5 Nxe5 18. Nxe5 f6 19. Ng4 Bb7 20. a3 Rac8 21. axb4 Bxf2+ 22. Nxf2 Rxc3 23. bxc3 Qc7 24. Rd3 Rd8 25. Rxd8+ Qxd8 26. Be3 Qc7 27. Bc5 Qe5 28. Rd1 Bc6 29. Bd4 Qh5 30. Bh3 f5 31. exf5 exf5 32. Re1 Qf3 33. Re7 g6 34. Rg7+ Kf8 35. Rxh7 Bb7 1/2-1/2

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.13"]
[Round "7"]
[White "Chaves Villalobos, David Gerar"]
[Black "Angulo Perez, Sebastian"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1899"]
[BlackElo "1612"]
[PlyCount "97"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 Nc6 6. c3 Bd7 7. Bd3 h6 8. Bh4 a6 9. Qe2 b5 10. a3 Na5 11. b3 Nb7 12. c4 bxc4 13. bxc4 dxc4 14. Bxc4 a5 15. Ne5 Nd6 16. Bd3 Rb8 17. Ndf3 Nd5 18. Bxe7 Nxe7 19. Qd2 a4 20. 0-0 0-0 21. Nxd7 Qxd7 22. Ne5 Qd8 23. Rfc1 f6 24. Nf3 Qd7 25. Rc5 Nb7 26. Rc2 Nd6 27. Rac1 c6 28. Bc4 Rfc8 29. Ba2 Kf7 30. Ne5+ fxe5 31. dxe5 Rd8 32. Rd1 Nec8 33. e4 Ke7 34. Qc3 Ke8 35. exd6 Nxd6 36. Qf3 Qc7 37. e5 Nf7 38. Re1 Nxe5 39. Qh5+ g6 40. Qxh6 Rd7 41. Qh8+ Ke7 42. Qg7+ Ke8 43. Qg8+ Ke7 44. Qxe6+ Kd8 45. Qg8+ Ke7 46. Qg7+ Ke8 47. Qg8+ Ke7 48. Qf7+ Kd6 49. Qe6# 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.13"]
[Round "8"]
[White "Ramirez Camacho, Daniel"]
[Black "Chaves Villalobos, David Gerar"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1607"]
[BlackElo "1899"]
[PlyCount "92"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. Qg4 c5 6. d4 cxd4 7. Bxd4 Qc7 8. Qe2 Nc6 9. Bb2 Ndxe5 10. Nc3 d4 11. Ne4 Nb4 12. 0-0-0 d3 13. Bxe5 Qxe5 14. cxd3 Qa1+ 15. Kd2 Qb2+ 16. Ke3 Nc2+ 17. Kf4 g5+ 18. Kg3 Qe5+ 19. Kh3 g4+ 20. Qxg4 h5 21. Qf3 f5 22. Nd2 Qg7 23. Qg3 Qf7 24. f4 Rg8 25. Qf2 Qg6 26. Be2 Nd4 27. g3 Bc5 28. Rc1 Bb6 29. Qf1 Bd7 30. Nc4 Bc6 31. Ne5 Qg4+ 32. Bxg4 hxg4+ 33. Kh4 Rh8+ 34. Kg5 Bd8+ 35. Kg6 Kf8 36. Nxc6 bxc6 37. Qe1 Rg8+ 38. Kh7 Rb8 39. Qe5 Rb7+ 40. Kh6 Rbg7 41. Qxg7+ Rxg7 42. h3 Bf6 43. Rc4 Kf7 44. Rb4 Nb5 45. hxg4 Rg8 46. g5 Rh8# 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.11"]
[Round "6"]
[White "Chaves Villalobos, David Gerar"]
[Black "Canales Chinchilla, Victoria"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1899"]
[BlackElo "1683"]
[PlyCount "99"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. b3 e6 4. Bb2 Be7 5. g3 0-0 6. Bg2 c5 7. 0-0 Nc6 8. e3 Rb8 9. a4 b6 10. Qe2 Nb4 11. c4 Bb7 12. Rd1 Qc7 13. Na3 a6 14. Rac1 Rbc8 15. cxd5 Bxd5 16. Nd2 Bxg2 17. Kxg2 Qb7+ 18. f3 cxd4 19. Bxd4 Nd7 20. Ndc4 Nc5 21. Rb1 Rfd8 22. a5 b5 23. Nb6 Rc6 24. Bxc5 Rxc5 25. Rxd8+ Bxd8 26. Qd2 Nd5 27. b4 Rc6 28. Nxd5 exd5 29. Rd1 Rd6 30. Nc2 Bf6 31. Nd4 g6 32. Rc1 Qe7 33. Rc5 h6 34. Kf2 Qd7 35. g4 Qe7 36. h3 Bh4+ 37. Kg2 Bg5 38. Rc3 Rd7 39. Nc6 Qe8 40. Nd4 Qe7 41. Nc6 Qe8 42. Nd4 Qe7 43. Rc8+ Kh7 44. f4 Bf6 45. Qc3 Qe4+ 46. Kf2 Re7 47. Rc6 Bh4+ 48. Kg1 Qb1+ 49. Kg2 Qe4+ 50. Nf3 1/2-1/2

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.10"]
[Round "5"]
[White "Valverde Mora, Mauricio"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1872"]
[BlackElo "1899"]
[PlyCount "73"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 g6 5. f3 Bg7 6. Be3 0-0 7. Nge2 Nbd7 8. Qd2 Re8 9. 0-0-0 Nb6 10. Nf4 Qe7 11. g4 Nfd7 12. Ng2 Nf8 13. Be2 Bd7 14. h4 f5 15. h5 c5 16. hxg6 hxg6 17. d5 Rad8 18. Bg5 Bf6 19. Bxf6 Qxf6 20. Rdg1 fxg4 21. fxg4 Re7 22. Rf1 Qe5 23. Nh4 Qg7 24. Qg5 Be8 25. Rh3 Nh7 26. Qd2 exd5 27. exd5 Nd7 28. Nf3 Rf7 29. Rfh1 Qf6 30. Ne4 Qf4 31. Qxf4 Rxf4 32. Rxh7 Rxe4 33. Rh8+ Kg7 34. R1h7+ Kf6 35. g5+ Kf5 36. Bd3 Nb6 37. Nd2 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.09"]
[Round "4"]
[White "Chaves Villalobos, David Gerar"]
[Black "Ramirez Aguilar, Julian Jose"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1899"]
[BlackElo "1509"]
[PlyCount "63"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 e5 8. e3 Bg4 9. h3 Bxf3 10. Bxf3 Re8 11. Rb1 e4 12. Bg2 d5 13. c5 Qd7 14. b4 h5 15. f3 Rad8 16. b5 Na5 17. fxe4 Nxe4 18. Nxe4 dxe4 19. Qa4 b6 20. Bd2 Bh6 21. Rbc1 a6 22. c6 Qd5 23. bxa6 Nxc6 24. Rf2 Re6 25. Bf1 Nxd4 26. Bc4 Qd6 27. Bxe6 Qxg3+ 28. Rg2 Nf3+ 29. Kh1 Rxd2 30. Qe8+ Kh7 31. Qxf7+ Bg7 32. Qg8+ 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.07"]
[Round "3"]
[White "Duran Vega, Sergio"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2382"]
[BlackElo "1899"]
[PlyCount "75"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 b6 5. cxd5 exd5 6. Nc3 Be7 7. Qa4+ c6 8. Nf3 0-0 9. Ne5 b5 10. Qc2 Qb6 11. Be3 Ng4 12. Nxc6 Nxc6 13. Nxd5 Bb4+ 14. Kd1 Nxd4 15. Nxb6 Nxc2 16. Kxc2 Nxe3+ 17. fxe3 Rb8 18. Nd5 Bd6 19. Rad1 Be5 20. Ne7+ Kh8 21. Nc6 Bb7 22. Nxb8 Bxg2 23. Nd7 Rc8+ 24. Kb3 Bxh1 25. Nxe5 Be4 26. Rd4 Bc2+ 27. Kb4 f6 28. Rd8+ Rxd8 29. Nf7+ Kg8 30. Nxd8 a6 31. Ne6 Bf5 32. Nc7 Bg4 33. Nxa6 Bxe2 34. Nc7 Kf7 35. Nxb5 Ke7 36. Kc5 Kd7 37. a4 Kc8 38. Kb6 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.06"]
[Round "2"]
[White "Chaves Villalobos, David Gerar"]
[Black "Lizano Quiros, Matias Haziel"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1899"]
[BlackElo "1801"]
[PlyCount "87"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e5 5. Nf3 Nc6 6. Nc3 Bb4 7. Bd2 0-0 8. g3 Re8 9. Bg2 Bxc3 10. Bxc3 d5 11. cxd5 Nxd5 12. Rc1 e4 13. Nd4 e3 14. Nxc6 bxc6 15. Bxd5 exf2+ 16. Kxf2 cxd5 17. Qd4 Qg5 18. h4 Qh6 19. Rhe1 Ba6 20. e3 Bb7 21. Qf4 Qa6 22. Qg4 f6 23. Bd4 Re4 24. Qd7 Rae8 25. a4 R8e7 26. Qb5 Qe6 27. Qe2 Qh3 28. Qf3 Qd7 29. b3 Ba6 30. Rc5 Qb7 31. Rb1 Qb4 32. Rxd5 Bb7 33. Rd8+ Re8 34. Rxe8+ Rxe8 35. Qh5 Rc8 36. Rb2 Be4 37. Qg4 Qb7 38. Qe6+ Kh8 39. Rd2 Bg2 40. e4 Bxe4 41. Re2 f5 42. h5 Rd8 43. h6 Rg8 44. hxg7+ 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "2024.01.06"]
[Round "1"]
[White "Hernandez Perez, Javier Francisco"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1309"]
[BlackElo "1899"]
[PlyCount "101"]
[EventDate "2024.01.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Bd6 5. 0-0 0-0 6. c4 c6 7. Nbd2 Nbd7 8. b3 e5 9. dxe5 Nxe5 10. Bb2 Re8 11. Qc2 dxc4 12. Nxc4 Nxc4 13. Qxc4 Qe7 14. Nd4 Bg4 15. Nxc6 Qxe2 16. Bxf6 Qxc4 17. bxc4 gxf6 18. Na5 Rac8 19. Nxb7 Ba3 20. Bd5 Be2 21. Rfe1 Kf8 22. c5 Bxc5 23. Rac1 Bb4 24. Rxc8 Bxe1 25. Rxe8+ Kxe8 26. Nd6+ Kd7 27. Nxf7 Bd2 28. f4 Be3+ 29. Kg2 Bc5 30. Nh6 Kd6 31. Bb3 Bd3 32. Kf3 Bd4 33. Ng4 Kc5 34. Ne3 a5 35. h4 Kb4 36. Nc2+ Bxc2 37. Bxc2 h6 38. Bb3 Kc5 39. g4 Kd6 40. Ke4 Bf2 41. g5 fxg5 42. fxg5 hxg5 43. hxg5 Ke7 44. Kf5 Kf8 45. Kg6 Bd4 46. Kh7 Bg7 47. Kg6 Bd4 48. Kf5 Kg7 49. g6 Bf6 50. Bf7 Bc3 51. Ke4 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.21"]
[Round "9"]
[White "Cabrera Chaves, Marco Antonio"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2213"]
[BlackElo "2113"]
[PlyCount "126"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 0-0 8. Nf3 c5 9. Nb5 Nc6 10. c3 a6 11. Nd6 f5 12. Bd3 Rb8 13. 0-0 c4 14. Bc2 b5 15. g4 g6 16. g5 Nd8 17. h4 Nf7 18. Nxc8 Rfxc8 19. Kf2 Kg7 20. Rh1 b4 21. Qc1 Qd8 22. a3 bxa3 23. bxa3 Qa5 24. Bd1 Rb6 25. Kg3 Rcb8 26. Rh2 R6b7 27. a4 Nf8 28. Rha2 Nd8 29. Ng1 Nc6 30. Ne2 Nd7 31. Bc2 Nb6 32. Rb1 Nc8 33. Rxb7+ Rxb7 34. Qa3 Kf7 35. Kf3 Qc7 36. Qc1 Na5 37. h5 Kg8 38. Qh1 Qc6 39. hxg6 hxg6 40. Qc1 Nb3 41. Qa3 Nd2+ 42. Ke3 Ne4 43. Rb2 Rxb2 44. Qxb2 Qb6 45. Qc1 Qb7 46. Qh1 Qb2 47. Qb1 Qxb1 48. Bxb1 Kf7 49. Bc2 Ke7 50. Bxe4 fxe4 51. f5 gxf5 52. g6 Nb6 53. Kf4 Kf8 54. Kg5 Kg7 55. Nf4 e3 56. Nh5+ Kg8 57. Nf6+ Kg7 58. Nh5+ Kf8 59. g7+ Kf7 60. Kh6 Nc8 61. Kh7 Ne7 62. Nf4 Nc8 63. a5 Ne7 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.21"]
[Round "8"]
[White "Ramirez Arroyo, Joan Emmanuel"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2055"]
[BlackElo "2113"]
[PlyCount "49"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 0-0 8. Bd3 f6 9. Nf3 f5 10. Qh3 c5 11. g4 Nc6 12. gxf5 exf5 13. Rg1 Nxd4 14. Nxd4 cxd4 15. Qg2 Rf7 16. Nxd5 Qa5+ 17. Ke2 f4 18. Qe4 f3+ 19. Kd1 g6 20. e6 Rg7 21. Nxe7+ Rxe7 22. Rxg6+ hxg6 23. Qxg6+ Kh8 24. Qf6+ Rg7 25. Qf8+ 1-0

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.20"]
[Round "7"]
[White "Chaves Villalobos, David Gerar"]
[Black "Toro Soto, Anthony Roy"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2113"]
[BlackElo "2083"]
[PlyCount "65"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 f5 4. Bg2 Nf6 5. 0-0 Bd6 6. b3 Qe7 7. c4 c6 8. Bb2 0-0 9. Qc1 b5 10. Nbd2 Ne4 11. c5 Bc7 12. b4 Nd7 13. Ne1 Nxd2 14. Qxd2 e5 15. dxe5 Nxe5 16. Bd4 Nc4 17. Qc3 a5 18. Nd3 axb4 19. Nxb4 Bd7 20. Nxd5 cxd5 21. Bxd5+ Be6 22. Bxa8 Rxa8 23. Rfd1 Ra3 24. Qc2 Qf7 25. Rd3 Ra4 26. a3 h6 27. Qb1 Bd7 28. Ra2 Bc6 29. f3 Ra5 30. Qa1 Qe7 31. Qe1 f4 32. g4 Ra4 33. Qc1 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.20"]
[Round "6"]
[White "Murillo, Manuel"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2160"]
[BlackElo "2113"]
[PlyCount "93"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Nf6 6. Ngf3 Be7 7. 0-0 0-0 8. a4 a6 9. Re1 b6 10. h4 Bb7 11. e5 Nd7 12. Nf1 b5 13. Bf4 Nb6 14. axb5 axb5 15. Rxa8 Qxa8 16. g4 d4 17. N1h2 Qa2 18. g5 Qxb2 19. Ng4 Nd5 20. Bc1 Qa2 21. Nf6+ Kh8 22. Nxh7 Kxh7 23. Nxd4 g6 24. Be4 Kg7 25. Nxb5 Qa5 26. Nd6 Bxd6 27. exd6 Nd4 28. Bd2 Qa7 29. h5 Nb6 30. Bf4 Nd7 31. c3 Bxe4 32. h6+ Kh7 33. dxe4 Nb5 34. Qf3 Qa5 35. Rc1 Qd8 36. Qd3 e5 37. Be3 Na7 38. Ra1 Nc6 39. Qd5 Ncb8 40. Kf1 Qb6 41. Ra8 Qb2 42. c4 Nb6 43. Qb7 Nxc4 44. Rxb8 Nxe3+ 45. fxe3 Qc1+ 46. Kf2 Qd2+ 47. Kf3 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.07"]
[Round "5"]
[White "Chaves Villalobos, David Gerar"]
[Black "Quesada Campos, Jordi Alessandre"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2113"]
[BlackElo "2006"]
[PlyCount "119"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. g3 Nf6 4. Bg2 Bf5 5. 0-0 Nbd7 6. b3 e6 7. c4 Be7 8. Bb2 0-0 9. Nc3 h6 10. Nd2 Bh7 11. e4 dxe4 12. Ndxe4 Nxe4 13. Nxe4 Nf6 14. Nd2 Bb4 15. Nf3 Bd6 16. a3 Be4 17. Re1 Bxf3 18. Qxf3 Be7 19. Rad1 Qc7 20. b4 Rad8 21. Qb3 Rd7 22. a4 Rfd8 23. b5 c5 24. dxc5 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Qxc5 27. Qd4 b6 28. Qc3 Qc7 29. Bc6 Bf8 30. Qd3 Qd6 31. Qxd6 Bxd6 32. h3 Kf8 33. Bd4 Ke7 34. a5 Bc7 35. axb6 axb6 36. c5 bxc5 37. Bxc5+ Bd6 38. Bd4 e5 39. Be3 Nd7 40. b6 Nb8 41. Bd5 f5 42. g4 f4 43. Bd2 Bc5 44. Ba5 Kd6 45. Be4 Nd7 46. b7 Ba7 47. Kg2 Nc5 48. Bb4 Kc7 49. Kf3 Nxe4 50. Kxe4 Bxf2 51. Bf8 Bh4 52. Bxg7 Bg5 53. Bxe5+ Kxb7 54. Bxf4 Be7 55. Bxh6 Kc7 56. Kf5 Kd7 57. Bg5 Bb4 58. h4 Ke8 59. Kg6 Kf8 60. h5 1-0

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.06"]
[Round "4"]
[White "Salazar, Pablo"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2128"]
[BlackElo "2113"]
[PlyCount "137"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 b6 3. g3 Bb7 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. Nf3 c5 8. 0-0 0-0 9. b3 Nfd7 10. Bb2 Nc6 11. Nbd2 b5 12. g4 e5 13. f5 Nd4 14. Qd1 Bg5 15. Nxg5 Qxg5 16. c3 Nc6 17. Qe2 h5 18. gxh5 Nf6 19. Bc1 Qxh5 20. Bf3 Qh3 21. Kh1 b4 22. c4 Nd4 23. Qf2 Nh5 24. Rg1 Nf4 25. Rg3 Qh6 26. Bg2 Nde2 27. Rf3 f6 28. Bb2 Kf7 29. Re1 Rh8 30. Nf1 Nd4 31. Rg3 Qh5 32. Bxd4 cxd4 33. Bf3 Qh7 34. Bg2 a5 35. Qd2 Bc6 36. Rg4 Qh6 37. Bf3 g6 38. fxg6+ Nxg6 39. Qxh6 Rxh6 40. Ng3 Rah8 41. Re2 Bd7 42. Nf5 Bxf5 43. exf5 Nf4 44. Rd2 Rh3 45. Be4 Re3 46. Kg1 Rg8 47. Rxg8 Kxg8 48. Kf2 Rh3 49. Kg1 Kf7 50. a3 Re3 51. axb4 axb4 52. Kf2 Rh3 53. Kg1 Ke7 54. Kf1 Kd7 55. Kg1 Kc7 56. Kf1 Re3 57. Rd1 Re2 58. Ra1 Rb2 59. Ra7+ Kb8 60. Rf7 Rxb3 61. Rxf6 Nxd3 62. Rxd6 Rc3 63. f6 Ra3 64. f7 Ra1+ 65. Ke2 Nf4+ 66. Kd2 Ra2+ 67. Bc2 Rxc2+ 68. Kxc2 d3+ 69. Kd2 1-0

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.30"]
[Round "3"]
[White "Chaves Villalobos, David Gerar"]
[Black "Alvarez Fernandez, David"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2113"]
[BlackElo "2168"]
[PlyCount "148"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 0-0 6. h3 c5 7. c3 cxd4 8. Nxd4 Nbd7 9. N2b3 b6 10. Bb5 Bb7 11. Bxd7 Nxd7 12. 0-0 Rc8 13. Qe2 Re8 14. Nf3 Qc7 15. Rad1 Qc4 16. Rfe1 Qa4 17. Qc2 Nc5 18. Nfd2 Ba6 19. Qb1 Nd3 20. Re3 Ne5 21. Rde1 Nc4 22. Nxc4 Bxc4 23. Nc1 Qa5 24. Rg3 Be5 25. f4 Bg7 26. Rge3 b5 27. e5 dxe5 28. fxe5 Qb6 29. Qe4 Rcd8 30. Kh2 Rd2 31. R3e2 Rd5 32. Qf3 Qe6 33. Re4 Rxe5 34. Qe3 Rxe4 35. Qxe4 Qxe4 36. Rxe4 e5 37. Bf4 f5 38. Re1 Kf7 39. Be3 a6 40. Rd1 Ke6 41. Bc5 Bd5 42. Nd3 Bxa2 43. Nb4 Bc4 44. Rd6+ Kf7 45. Rxa6 e4 46. Ra7+ Kg8 47. Be3 h6 48. h4 Bf6 49. Bxh6 e3 50. Nc2 e2 51. Ne1 Rd8 52. Be3 Bxh4 53. g3 Bf6 54. Kg1 Rd1 55. Kf2 g5 56. Ra8+ Kf7 57. Ra7+ Kg6 58. Ra6 b4 59. Rc6 bxc3 60. bxc3 Bb5 61. Rb6 Rd5 62. Nf3 Kf7 63. Bxg5 Bxc3 64. Rb7+ Ke6 65. Re7+ Kd6 66. Re3 Ba5 67. Ra3 Bb4 68. Rb3 Ba5 69. Ra3 Bb4 70. Rb3 Rd1 71. Rxb4 Rf1+ 72. Ke3 Rxf3+ 73. Kd2 Rf1 74. Bf4+ Kc5 0-1

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.30"]
[Round "2"]
[White "Nunez Valverde, Jairo"]
[Black "Chaves Villalobos, David Gerar"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1934"]
[BlackElo "2113"]
[PlyCount "102"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. e3 c5 4. Nf3 b6 5. d4 cxd4 6. Nxd4 Bb4+ 7. c3 Be7 8. Bd3 Ba6 9. c4 d5 10. Qc2 Qc8 11. Nd2 dxc4 12. Rc1 Qb7 13. Be2 cxb3 14. axb3 0-0 15. Bf3 Nd5 16. Be4 f5 17. Bf3 Qd7 18. Nc4 Bb4+ 19. Kf1 Rc8 20. Kg1 b5 21. e4 fxe4 22. Bxe4 bxc4 23. Bxh7+ Kh8 24. Be4 c3 25. Ba1 Nc6 26. Qd1 Qf7 27. Nxe6 Nf4 28. Qg4 Qxe6 29. Qxf4 Qh6 30. Qxh6+ gxh6 31. Bxc3+ Bxc3 32. Rxc3 Nd4 33. Rxc8+ Rxc8 34. g3 Re8 35. Bd5 Re5 36. Ba8 Re8 37. Bd5 Rd8 38. Be4 Nxb3 39. Kg2 Nc5 40. Ra1 Rd7 41. Ra5 Rc7 42. Bf3 Kg7 43. h4 Bd3 44. Bd5 a6 45. Bf3 Bb5 46. Bd5 Rd7 47. Bf3 Kf6 48. g4 Ke5 49. Kg3 Rd3 50. Kg2 Kf4 51. Be2 Rb3 0-1

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.29"]
[Round "1"]
[White "Chaves Villalobos, David Gerar"]
[Black "Bermudez Munoz, Alexander"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2113"]
[BlackElo "2078"]
[PlyCount "42"]
[EventDate "2013.06.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Nc3 c5 9. Be3 Ne4 10. Qc2 f5 11. Nd2 Nxc3 12. Bxb7 Nxe2+ 13. Kh1 Nc6 14. Bxa8 Qxa8 15. f3 cxd4 16. Bg1 Ne5 17. Qa4 Bg5 18. Qb5 d6 19. c5 Nxg1 20. Qb3 Bxd2 21. Kxg1 Rf6 0-1

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.28"]
[Round "8.3"]
[White "Chaves Villalobos, David Gerar"]
[Black "Jimenez Garcia, Emanuel"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1989"]
[BlackElo "2055"]
[PlyCount "40"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica Univ"]
[BlackTeam "Mapache"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. b3 a5 6. Bg2 a4 7. Bb2 Bb4+ 8. Nfd2 dxc4 9. bxa4 c3 10. Nxc3 Qxd4 11. e3 Qd3 12. Qb3 Bxc3 13. Bxc3 Nbd7 14. Rd1 Nc5 15. Nc4 Nxb3 16. Rxd3 Nc5 17. Nd6+ Ke7 18. Rd4 Rxa4 19. Nxc8+ Rxc8 20. Bb4 Rxb4 0-1

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.28"]
[Round "7.3"]
[White "Esquivel Vargas, Jose Edmond"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2061"]
[BlackElo "1989"]
[PlyCount "59"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Cartago Las Brumas"]
[BlackTeam "Costa Rica Univ"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 Bxd2 8. Bxd2 Be4 9. Bc3 d6 10. Nd2 Bxg2 11. Kxg2 c5 12. e4 cxd4 13. Bxd4 Nc6 14. Bc3 d5 15. cxd5 exd5 16. e5 Ne8 17. Nb3 Nc7 18. f4 Re8 19. Nd4 Qd7 20. Rc1 Nd8 21. h3 a5 22. g4 Na6 23. Nf5 Nb7 24. Nxg7 Rec8 25. Nh5 Qb5 26. Nf6+ Kg7 27. Qc2 Rh8 28. e6 Rac8 29. Nxh7+ Kg8 30. exf7+ 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.27"]
[Round "6.4"]
[White "Minero Pineda, Carlos"]
[Black "Chaves Villalobos, David Gerar"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2023"]
[BlackElo "1989"]
[PlyCount "108"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Construterra"]
[BlackTeam "Costa Rica Univ"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. Nf3 e6 2. d4 Nf6 3. c4 Bb4+ 4. Bd2 Qe7 5. Nc3 Bxc3 6. Bxc3 Ne4 7. g3 Nxc3 8. bxc3 b6 9. Bg2 Bb7 10. 0-0 c5 11. Re1 d6 12. e4 e5 13. Qa4+ Qd7 14. Qc2 Nc6 15. Rad1 Qc7 16. d5 Na5 17. Nd2 Bc8 18. Nf1 0-0 19. Ne3 g6 20. f4 f6 21. Rf1 Bd7 22. Rf2 exf4 23. gxf4 Rae8 24. Qd3 a6 25. Rb1 Re7 26. f5 g5 27. Kh1 h5 28. h4 Qd8 29. Rg1 Kh8 30. hxg5 fxg5 31. Bf1 Rg7 32. Rh2 Be8 33. Be2 Rh7 34. Rhg2 Rg8 35. Nf1 g4 36. Qe3 Qh4+ 37. Rh2 Qg5 38. Qxg5 Rxg5 39. Rh4 Kg7 40. Ne3 Kg8 41. Kg2 Rgg7 42. Rf1 Rh8 43. f6 Rg6 44. Rf5 Rgh6 45. Rg5+ Kf8 46. Rf5 Bg6 47. Rg5 Bxe4+ 48. Kg3 Bg6 49. Rh1 Kf7 50. Rf1 Re8 51. Nxg4 hxg4 52. Bxg4 Re3+ 53. Kf4 Nxc4 54. Be6+ Kf8 0-1

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.26"]
[Round "5.2"]
[White "Chaves Villalobos, David Gerar"]
[Black "Vindas Moran, Roberto Camilo"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "1989"]
[BlackElo "1948"]
[PlyCount "61"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica Univ"]
[BlackTeam "Pasion Ajedrez.com"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 d5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. c4 Be7 7. b3 0-0 8. Bb2 Nbd7 9. Nc3 Rc8 10. Qd3 Ne4 11. Rfd1 f5 12. Nd2 Ndf6 13. f3 Nxd2 14. Rxd2 Qe8 15. e4 fxe4 16. fxe4 c5 17. exd5 cxd4 18. Ne4 Nxe4 19. Bxe4 Bg5 20. Re2 Be3+ 21. Rxe3 dxe3 22. Bxh7+ Kh8 23. Bg6 Qd8 24. Qxe3 Rf6 25. Qe4 Rxg6 26. Qxg6 Qc7 27. Qh6+ Kg8 28. Qxe6+ Kh8 29. Rf1 Qc5+ 30. Kg2 Rc7 31. Rf5 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.25"]
[Round "3.1"]
[White "Chaves Villalobos, David Gerar"]
[Black "Barrios Zamora, Carlos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1989"]
[BlackElo "2021"]
[PlyCount "80"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica Univ"]
[BlackTeam "Goicoechea"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. Nf3 Bg4 5. b3 Bxf3 6. Bxf3 e6 7. 0-0 Bd6 8. Bb2 Qe7 9. Nd2 0-0 10. e4 Bb4 11. c3 Ba5 12. a4 Re8 13. e5 Nfd7 14. b4 Bc7 15. Bh5 a5 16. Ba3 g6 17. Be2 Qd8 18. Rb1 b6 19. f4 Kg7 20. Nf3 Qc8 21. g4 f5 22. gxf5 exf5 23. Bd3 Nf8 24. bxa5 Rxa5 25. Bb4 Ra7 26. Bxf8+ Rxf8 27. Rf2 Bd8 28. Rg2 Kh8 29. h4 Qe6 30. Qb3 Nd7 31. c4 Be7 32. cxd5 cxd5 33. Bb5 Rc8 34. Rc2 Rac7 35. Rbc1 Rxc2 36. Rxc2 Nf8 37. Ba6 Rxc2 38. Qxc2 Qd7 39. Bb5 Qd8 40. h5 Ne6 1/2-1/2

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.25"]
[Round "4.5"]
[White "Chaves Villalobos, David Gerar"]
[Black "Rodriguez Arrieta, Maria Elena"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1989"]
[BlackElo "1692"]
[PlyCount "152"]
[EventDate "2012.07.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica Univ"]
[BlackTeam "Costa Rica Selection (W)"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 c5 5. e3 Nc6 6. 0-0 Be7 7. b3 b6 8. Bb2 Bb7 9. Nfd2 0-0 10. dxc5 Bxc5 11. c4 Qe7 12. cxd5 Nxd5 13. Bxd5 exd5 14. Nf3 Rac8 15. a3 d4 16. Nxd4 Nxd4 17. Bxd4 Rfd8 18. Qg4 Bxd4 19. exd4 Qf6 20. Ra2 Rxd4 21. Qe2 Qc6 22. f3 Re8 23. Qc2 Qd6 24. Nc3 Rd3 25. Nb5 Qd7 26. a4 a6 27. Na3 Qd4+ 28. Kg2 Qe3 29. Qf2 Rxb3 30. Nc4 Qd3 31. Nxb6 Re3 32. Rd2 Rxf3 33. Rxd3 Rxf2+ 34. Kxf2 Rxd3 35. Re1 Kf8 36. Re5 f6 37. Rc5 Rd2+ 38. Ke3 Rxh2 39. Rc7 Bg2 40. Kf2 Bh3+ 41. Ke3 Rb2 42. Rb7 Rc2 43. Ra7 Bf1 44. Rd7 Re2+ 45. Kf3 Re7 46. Rd2 Kf7 47. g4 g6 48. Nc8 Rc7 49. Nd6+ Ke6 50. Kf2 Rc1 51. Ne4 f5 52. Ng5+ Ke5 53. Nxh7 fxg4 54. Nf8 g5 55. Nh7 Bc4 56. Kg3 Rg1+ 57. Kh2 Ra1 58. Kg3 Rxa4 59. Nxg5 Kf5 60. Nh7 Ra3+ 61. Kg2 Rf3 62. Nf8 Ke4 63. Nd7 Ke3 64. Rd6 Bf1+ 65. Kg1 g3 66. Ne5 Rf4 67. Ng6 Rf2 68. Re6+ Kd4 69. Rd6+ Kc5 70. Rd1 Bh3 71. Ne5 Rf5 72. Nd3+ Kc4 73. Nb2+ Kb3 74. Rd3+ Kxb2 75. Rxg3 Bf1 76. Rg4 a5 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "8"]
[White "Chaves Villalobos, David Gerar"]
[Black "Castro Madrigal, Randall"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2135"]
[PlyCount "100"]
[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. c3 e6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Nge7 7. Bd3 Qb6 8. 0-0 Bd7 9. Bc2 Rc8 10. Nc3 Ng6 11. Bb3 Be7 12. Re1 0-0 13. Na4 Qc7 14. Bd2 f6 15. Rc1 fxe5 16. Nxe5 Ngxe5 17. dxe5 Rf5 18. f4 b6 19. Bc2 Rf7 20. Re3 b5 21. Bxh7+ Kf8 22. Nc5 Bxc5 23. Rxc5 Qb6 24. b4 a5 25. a3 axb4 26. axb4 Re7 27. Qe2 Nd4 28. Rxc8+ Bxc8 29. Qf2 Ra7 30. Bc3 Rc7 31. Kf1 Nc6 32. Rd3 Qb7 33. Qc5+ Ne7 34. Qf2 Qc6 35. Rg3 Qc4+ 36. Ke1 Nf5 37. Bxf5 exf5 38. Qd4 Be6 39. Qb6 Kf7 40. Qd4 Qxd4 41. Bxd4 Rc4 42. Bc5 Rxf4 43. Kd2 Re4 44. Bd6 d4 45. Rf3 g6 46. h3 Bc4 47. Rf2 Ke6 48. Bc7 Re3 49. Bd6 Rg3 50. Kc2 Bd5 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "7"]
[White "Martinez Acuna, Hubert"]
[Black "Chaves Villalobos, David Gerar"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1933"]
[PlyCount "50"]
[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. e3 Nf6 4. b3 e6 5. Bb2 Be7 6. Nf3 0-0 7. d4 b6 8. Bd3 Bb7 9. 0-0 c5 10. Re1 Nc6 11. Ne5 dxc4 12. Bxc4 cxd4 13. Nxc6 Bxc6 14. exd4 Qd7 15. Qe2 Nd5 16. Qg4 Nxc3 17. Bxc3 Bf6 18. Rxe6 b5 19. d5 Bxc3 20. dxc6 Qc7 21. Rd1 fxe6 22. Bxe6+ Kh8 23. Rd7 Qxc6 24. Qh3 Qc5 25. Qh4 Qe5 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.16"]
[Round "9"]
[White "Nunez Valverde, Jairo"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "55"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. c3 Nf6 6. e5 Ne4 7. cxd4 d5 8. Bb5 Bb4+ 9. Nbd2 Bd7 10. 0-0 Bxd2 11. Bxd2 Nxd2 12. Qxd2 0-0 13. h3 a6 14. Bd3 h6 15. Rfe1 Re8 16. a3 Ne7 17. Qc2 Qc8 18. Rac1 c6 19. Nh4 Kh8 20. f4 g5 21. fxg5 hxg5 22. Qd2 g4 23. Qe3 Ng8 24. Rf1 Re7 25. Qg5 Qf8 26. Ng6+ fxg6 27. Rxf8 Rxf8 28. Bxg6 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "6"]
[White "Chaves Villalobos, David Gerar"]
[Black "Da Boso Solano, Carla"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "1946"]
[PlyCount "87"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 Qc7 9. Bf4 Nge7 10. Re1 Rc8 11. a4 Qb6 12. Qe2 Ng6 13. Bg3 Be7 14. Na3 a6 15. b4 Nb8 16. a5 Qd8 17. Qd2 0-0 18. Nc2 Nc6 19. Ncd4 f5 20. exf6 Rxf6 21. Bxg6 Rxg6 22. Nxc6 bxc6 23. Ne5 Rf6 24. Bh4 Rh6 25. Bxe7 Qxe7 26. Nd3 Qh4 27. Qf4 Qxf4 28. Nxf4 Rf8 29. Nd3 Rhf6 30. Re2 Kf7 31. Rae1 Ke7 32. Nc5 Bc8 33. Rd1 Kf7 34. Nd3 Ke7 35. Ne5 Kd6 36. Nd3 Rf5 37. Nc5 e5 38. f3 h5 39. h3 h4 40. Ne4+ Ke6 41. Nc5+ Kf6 42. Rde1 Rh8 43. Nd3 Rhh5 44. Kh2 1/2-1/2

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "5"]
[White "Redondo Vargas, Diego"]
[Black "Chaves Villalobos, David Gerar"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "100"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Nc3 Be6 8. Bf4 0-0-0 9. Bd3 h5 10. h4 Bd4 11. e5 Bxe5 12. Bd2 Qxf3 13. gxf3 Ne7 14. f4 Bf6 15. 0-0-0 Nf5 16. Ne4 Be7 17. Ng5 Bxg5 18. fxg5 Nd4 19. Bc3 Rhe8 20. f4 g6 21. Rdf1 Bg4 22. Rf2 Bf3 23. Rhh2 Be4 24. Bxd4 Rxd4 25. Re2 Kd8 26. Bxe4 Rexe4 27. Rxe4 Rxe4 28. Rf2 Kd7 29. f5 gxf5 30. Rxf5 Ke7 31. Rf6 Rxh4 32. Rh6 Rh2 33. b3 h4 34. Kb2 Rg2 35. Rxh4 Rxg5 36. Kc3 Rd5 37. Re4+ Kf6 38. Re8 Rd7 39. Ra8 a6 40. Ra7 b6 41. Rxa6 Ke7 42. Ra4 f5 43. Rh4 Ke6 44. Rh6+ Ke5 45. Rxc6 f4 46. Rh6 f3 47. Rh8 Rf7 48. Rh1 Kf4 49. Kd2 Kg3 50. Ke1 Kg2 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.07"]
[Round "4"]
[White "Chaves Villalobos, David Gerar"]
[Black "Torres Barquero, Joseph"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "88"]
[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. f4 Nc6 3. Nf3 g6 4. Be2 Bg7 5. Nc3 d6 6. 0-0 Bg4 7. a4 Nf6 8. h3 Bxf3 9. Bxf3 0-0 10. d3 e6 11. g4 h6 12. Kh1 Nh7 13. Qd2 Qh4 14. Qh2 f5 15. exf5 gxf5 16. Bd2 Nd4 17. Be1 Qe7 18. Bd1 a6 19. Qg2 Rab8 20. Bg3 Qd8 21. Re1 Qb6 22. Ra2 Qc6 23. Nb1 Qxg2+ 24. Kxg2 e5 25. c3 Nc6 26. gxf5 Rxf5 27. Bg4 Rff8 28. fxe5 Bxe5 29. Be6+ Kh8 30. Bxe5+ Nxe5 31. d4 Nd3 32. Re3 Nf4+ 33. Kg3 Rf6 34. Bc4 d5 35. Bd3 Rg8+ 36. Kh2 Nxd3 37. Rxd3 Rf2+ 38. Kh1 Rf1+ 39. Kh2 c4 40. Rd2 Rxb1 41. b4 cxb3 42. Rab2 Rxb2 43. Rxb2 Ng5 44. Rxb3 Nf3+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.03"]
[Round "3"]
[White "Sotela Vargas, Felipe"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1846"]
[PlyCount "119"]
[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. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 c5 5. Bb5+ Bd7 6. Be2 Bd6 7. d4 0-0 8. 0-0 Nc6 9. Nbd2 Re8 10. Ne5 Bxe5 11. dxe5 Ne4 12. f3 Nxd2 13. Qxd2 Qc7 14. f4 Rad8 15. Rf3 Ne7 16. Bd3 b5 17. c3 c4 18. Bc2 Bc6 19. Rh3 h6 20. b4 Ra8 21. Rf1 Qb6 22. Bb1 a5 23. a3 axb4 24. axb4 Qa7 25. Qf2 Kf8 26. Bc1 Qa4 27. Bd2 Qa7 28. Be1 Qc7 29. Qc2 Ng8 30. Bf2 g6 31. Qe2 Ra1 32. Rd1 Rea8 33. Qg4 R8a3 34. e4 Rb3 35. Bc5+ Ke8 36. Bc2 Rxd1+ 37. Qxd1 Ra3 38. Qc1 Ra8 39. Re3 Ne7 40. Bxe7 Kxe7 41. Qe1 Ra7 42. Bb1 Ra1 43. Qh4+ Ke8 44. Re1 Qa7+ 45. Kf1 Qa3 46. Qf6 Qb2 47. Qh8+ Ke7 48. Qb8 Bd7 49. Qd6+ Kd8 50. Qb8+ Bc8 51. Qd6+ Ke8 52. Qb8 Kd8 53. Qd6+ Bd7 54. Qb8+ Bc8 55. Qd6+ Ke8 56. Qb8 Rxb1 57. Qxc8+ Ke7 58. Qc5+ Kd7 59. Qxb5+ Kd8 60. Qb8+ 1/2-1/2

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.02"]
[Round "2"]
[White "Rodriguez Chaverri, David"]
[Black "Chaves Villalobos, David Gerar"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1968"]
[PlyCount "61"]
[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. g3 d5 3. Bg2 Nf6 4. Nf3 Nbd7 5. cxd5 cxd5 6. d4 e6 7. Nc3 Be7 8. 0-0 0-0 9. Qd3 Nb6 10. Rd1 Bd7 11. Ne5 Rc8 12. b3 a6 13. Bb2 Bd6 14. e4 dxe4 15. Nxe4 Bb5 16. Qb1 Nbd5 17. a4 Bc6 18. Nxd6 Qxd6 19. Ba3 Qb8 20. Nxc6 bxc6 21. Bxf8 Nc3 22. Qc2 Nxd1 23. Bc5 Nxf2 24. Kxf2 Ng4+ 25. Kg1 a5 26. Bf3 Nf6 27. Rb1 e5 28. Qf5 Nd5 29. Qxe5 Nc3 30. Qxb8 Rxb8 31. Re1 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "1"]
[White "Chaves Villalobos, David Gerar"]
[Black "Montenegro, Esteban"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2013"]
[PlyCount "74"]
[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. f4 d5 3. exd5 Nf6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. c4 e6 7. Qe2 Bd6 8. dxe6 fxe6 9. d3 0-0 10. Nf3 Nc6 11. 0-0 Rae8 12. Nc3 e5 13. f5 Nd4 14. Qd1 Nxf5 15. Bg5 Ng4 16. Nd5 h6 17. Bd2 Nd4 18. Bc3 e4 19. dxe4 Nxf3+ 20. Rxf3 Bxh2+ 21. Kh1 Rxf3 22. Qxf3 Rf8 23. Qe2 h5 24. Rf1 Rxf1+ 25. Qxf1 Bg3 26. Qf5 Qxf5 27. Ne7+ Kf7 28. Nxf5 Nf2+ 29. Kg1 Nxe4 30. Nxg7 Nxc3 31. Nxh5 Ne4 32. Nxg3 Nxg3 33. Kf2 Nf5 34. Ke2 Kf6 35. a3 a5 36. Kd3 Ke5 37. Kc3 a4 0-1

