[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.21"]
[Round "8"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Vaglio Mattey, Emanuel"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2054"]
[BlackElo "2142"]
[PlyCount "80"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Nf6 7. a3 Be7 8. Be2 b6 9. 0-0 Bb7 10. f3 0-0 11. Kh1 d6 12. Be3 Nbd7 13. Qd2 Rfd8 14. Rfc1 Rac8 15. b4 Qb8 16. Qd1 d5 17. cxd5 exd5 18. Nf5 Bf8 19. exd5 Qe5 20. Qd3 g6 21. Nh6+ Bxh6 22. Bxh6 b5 23. f4 Qd6 24. Bf3 Rc4 25. Rd1 Rdc8 26. Ne4 Rxe4 27. Bxe4 Ng4 28. Qd2 Nxh6 29. Rac1 Re8 30. Bf3 Nb6 31. Re1 Rd8 32. Rc5 Nf5 33. Bg4 Ne7 34. f5 Bxd5 35. fxg6 hxg6 36. Qg5 Nc6 37. Rc2 Kg7 38. Rce2 Rh8 39. h4 Qg3 40. Rf1 Qxh4+ 0-1

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.20"]
[Round "6"]
[White "Bermudez Vives, Sergio"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2177"]
[BlackElo "2054"]
[PlyCount "73"]
[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 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 e6 9. cxd4 Qxd6 10. 0-0 Be7 11. Nc3 a6 12. Be3 0-0 13. Qe2 Nd5 14. Bd2 Nxc3 15. Bxc3 b5 16. Rfd1 b4 17. Be1 Na5 18. Bc2 Bb7 19. a3 Nc6 20. Be4 bxa3 21. bxa3 f5 22. Bb4 Nxb4 23. Bxb7 Rab8 24. axb4 Rxb7 25. Rxa6 Qxb4 26. Qxe6+ Kh8 27. d5 Qb3 28. Raa1 Bc5 29. Qc6 Ba7 30. Qc1 Qb6 31. Qc2 Qf6 32. Qc6 Qb2 33. Nd2 Re7 34. d6 Re2 35. Rxa7 Rxd2 36. Qf3 Qd4 37. Rxd2 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.20"]
[Round "7"]
[White "Cabrera Chaves, Marco Antonio"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2213"]
[BlackElo "2054"]
[PlyCount "66"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. f4 h6 9. Bh4 Nxe4 10. Nxe4 Qxh4+ 11. g3 Qd8 12. 0-0-0 d5 13. Nc3 Be7 14. Bg2 0-0 15. Rhe1 Bd7 16. h4 Bf6 17. Nf3 Qa5 18. Ne5 Rfd8 19. a3 Bxe5 20. fxe5 b5 21. Na2 Qc7 22. Qf4 Rac8 23. Rd2 Na5 24. Rf2 Rf8 25. Nb4 Nc4 26. g4 Nxb2 27. g5 h5 28. Qf3 Nc4 29. Qxh5 Nxe5 30. Qe2 Nc4 31. Bxd5 Qa5 32. Qg4 Qxa3+ 33. Kd1 Qxb4 0-1

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.07"]
[Round "5"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Brenes Salgado, Juan Carlos"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2054"]
[BlackElo "2121"]
[PlyCount "67"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. 0-0-0 Qb6 11. Nde2 b4 12. Na4 Qa5 13. b3 Bc6 14. Nb2 Nc5 15. Bxf6 gxf6 16. Kb1 Nxd3 17. Qxd3 Bb5 18. Qd2 Rc8 19. a4 Bxe2 20. Qxe2 Be7 21. Rhe1 Rc3 22. f5 0-0 23. fxe6 fxe6 24. Qg4+ Kh8 25. Qxe6 Qe5 26. Qxe5 fxe5 27. Re2 Rf6 28. Nc4 Rh6 29. g3 Rf3 30. Ne3 Rhf6 31. Nd5 Rf1 32. Rxf1 Rxf1+ 33. Kb2 Bg5 34. Nxb4 1-0

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.07.06"]
[Round "4"]
[White "Ramirez Arroyo, Joan Emmanuel"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1/2-1/2"]
[ECO "B59"]
[WhiteElo "2055"]
[BlackElo "2054"]
[PlyCount "53"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 h6 8. 0-0 Be6 9. Be3 Be7 10. f4 exf4 11. Bxf4 a6 12. Kh1 0-0 13. Nd4 Nxd4 14. Qxd4 Rc8 15. Rad1 Rc6 16. Bf3 Rc4 17. Qd2 b5 18. a3 Ng4 19. Qe2 Rxc3 20. bxc3 Bc4 21. Qd2 Bxf1 22. Bxg4 Bc4 23. Bxd6 Bxd6 24. Qxd6 Qg5 25. Bf3 a5 26. Qb6 a4 27. Qd6 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.30"]
[Round "2"]
[White "Espinoza Guerrero, Warner"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2052"]
[BlackElo "2054"]
[PlyCount "74"]
[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. Nc3 Bb4 4. Qc2 0-0 5. e4 c5 6. e5 Ne8 7. a3 Bxc3+ 8. bxc3 d6 9. Bd3 f5 10. Nf3 Nc6 11. Bf4 cxd4 12. cxd4 dxe5 13. Bxe5 Nxe5 14. dxe5 Bd7 15. 0-0 Bc6 16. Be2 Qa5 17. Rfe1 Nc7 18. Qb2 Rad8 19. Rad1 Na6 20. Ng5 Rde8 21. h4 h6 22. Nh3 f4 23. f3 Ba4 24. Rb1 Qc5+ 25. Kh1 b6 26. Bf1 Qe7 27. Qf2 Nc5 28. h5 Rf5 29. Kg1 Ref8 30. Qd2 Rxh5 31. Nxf4 Qg5 32. g3 Qxg3+ 33. Ng2 Qh2+ 34. Kf2 Rh3 35. Re3 Ne4+ 36. Rxe4 Rhxf3+ 37. Ke2 Rf2+ 0-1

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.30"]
[Round "3"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Salazar, Pablo"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2054"]
[BlackElo "2128"]
[PlyCount "81"]
[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 d6 3. Nc3 e5 4. d5 Be7 5. g3 0-0 6. Bg2 Ne8 7. Nf3 f5 8. e4 f4 9. gxf4 exf4 10. Ne2 g5 11. h3 Nd7 12. Bd2 Bf6 13. Qc2 Ne5 14. 0-0-0 Qe7 15. Nxe5 Bxe5 16. f3 Bd7 17. Nc3 a6 18. Bf1 Kh8 19. Kb1 Nf6 20. Bd3 Rab8 21. Rdg1 Nh5 22. Ne2 Rg8 23. Bc3 Rbf8 24. c5 Qf6 25. Bxe5 Qxe5 26. c6 bxc6 27. dxc6 Be6 28. Bxa6 Bxa2+ 29. Kxa2 Ra8 30. Qc3 Rxa6+ 31. Kb1 Qxc3 32. Nxc3 Ng3 33. Rh2 Rga8 34. Kc2 Kg7 35. h4 h6 36. hxg5 hxg5 37. Ne2 Rxc6+ 38. Kd3 Rb8 39. Nxg3 fxg3 40. Rxg3 Rc5 41. Rc2 1/2-1/2

[Event "San Jose op"]
[Site "San Jose"]
[Date "2013.06.29"]
[Round "1"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Alvarez Fernandez, David"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2054"]
[BlackElo "2168"]
[PlyCount "56"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qxd8+ Kxd8 12. Bg5 Ke7 13. a4 Bb7 14. axb5 axb5 15. Nd2 h6 16. Bh4 g5 17. Bg3 Nd7 18. Bc2 f6 19. Rxa8 Rxa8 20. Rb1 Nc5 21. Kf1 b4 22. f3 bxc3 23. bxc3 Ra2 24. Rc1 Ba6+ 25. Ke1 Nd3+ 26. Bxd3 Bxd3 27. Kd1 Be3 28. Be1 Bc5 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.24"]
[Round "8"]
[White "Jimenez, Alonso"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2110"]
[BlackElo "2024"]
[PlyCount "58"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 e6 7. 0-0 Be7 8. cxd4 d6 9. exd6 Qxd6 10. Nc3 Nxc3 11. bxc3 Bd7 12. Qe2 0-0 13. Bd3 Qd5 14. Rb1 Nd8 15. Ne5 Bc6 16. Nxc6 Qxc6 17. Bd2 g6 18. Bh6 Qc7 19. Bxf8 Bxf8 20. c4 Bd6 21. h3 Rb8 22. c5 Bf8 23. Be4 Bg7 24. Rfd1 e5 25. d5 Qxc5 26. d6 b5 27. Rbc1 Qb6 28. d7 Ne6 29. Rc8+ Bf8 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.23"]
[Round "7"]
[White "Montenegro, Esteban"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "0-1"]
[ECO "B66"]
[WhiteElo "2061"]
[BlackElo "2024"]
[PlyCount "84"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bxf6 Qxf6 10. Bc4 Qxd4 11. Qxd4 Nxd4 12. Rxd4 Be7 13. Rhd1 0-0 14. a4 b6 15. f4 Rb8 16. e5 d5 17. Bb3 Bc5 18. R4d3 b5 19. f5 Be7 20. Ne2 bxa4 21. Bxa4 exf5 22. Nd4 Rb4 23. Bb3 Be6 24. c3 Rc8 25. Kb1 Rb6 26. R1d2 Rcb8 27. Ba2 Ba3 28. b3 a5 29. Kc2 Rc8 30. Kd1 Bf8 31. Ke2 g5 32. Nxe6 fxe6 33. c4 dxc4 34. bxc4 Rc5 35. Re3 Kf7 36. Kf3 Be7 37. Rd7 Rb2 38. Rb3 Rxa2 39. Rbb7 Rxc4 40. Rxe7+ Kg6 41. Rxe6+ Kh5 42. Rbb6 Rc3# 0-1

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.22"]
[Round "6"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Needham, Bryan"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2024"]
[BlackElo "2047"]
[PlyCount "115"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. c3 d6 10. d3 Na5 11. Bc2 c5 12. Nbd2 Re8 13. Nf1 Bf8 14. Qe2 Nc6 15. Bg5 h6 16. Bh4 b4 17. Ne3 Bc8 18. Bb3 Be6 19. Bd5 Rc8 20. Rec1 a5 21. Nd2 Be7 22. Bg3 Bf8 23. Qd1 Bxd5 24. exd5 Ne7 25. c4 Ng6 26. Qf3 Qd7 27. h4 h5 28. Re1 Ne7 29. Nb3 Ng4 30. Nxg4 hxg4 31. Qd1 f5 32. f4 Ng6 33. fxe5 dxe5 34. h5 f4 35. hxg6 Qf5 36. Rf1 Bd6 37. Nd2 Qh5 38. Ne4 Rf8 39. Bh2 Bb8 40. g3 Qxg6 41. Qd2 Qh6 42. b3 g5 43. Rf2 Rf5 44. Qe2 Qh3 45. Re1 Rcf8 46. Qf1 Qh5 47. Qg2 Kg7 48. Rc1 Qg6 49. Kf1 f3 50. Qg1 Rf4 51. gxf4 gxf4 52. Rcc2 Rh8 53. Ke1 Bc7 54. Nxc5 Bb6 55. Ne6+ Kf7 56. c5 Qxd3 57. Qxg4 Qe3+ 58. Kd1 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.21"]
[Round "5"]
[White "Barrios Zamora, Carlos"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2061"]
[BlackElo "2024"]
[PlyCount "85"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 c5 3. g3 Nc6 4. Bg2 f5 5. d3 Nf6 6. e3 Be7 7. Nge2 0-0 8. 0-0 Qb6 9. Rb1 Kh8 10. Nd5 Nxd5 11. cxd5 Nb8 12. Bd2 Qg6 13. f4 d6 14. b4 Nd7 15. e4 Nf6 16. bxc5 fxe4 17. fxe5 dxe5 18. d6 Bxd6 19. cxd6 exd3 20. Nc3 Rd8 21. Qe1 Qh5 22. Ne4 Qg6 23. Nxf6 gxf6 24. Be4 Qg7 25. Bb4 Be6 26. Bxd3 Bxa2 27. Rc1 Be6 28. Qf2 Bh3 29. Rc7 Rd7 30. Rxd7 Bxd7 31. Qxf6 a5 32. Qxg7+ Kxg7 33. Bc3 Re8 34. Bxa5 Re6 35. Bb4 Re8 36. Bc4 Bh3 37. Rf7+ Kg6 38. Rxb7 Rc8 39. Bd3+ Kf6 40. Kf2 h5 41. Ke3 Rd8 42. Be4 Rc8 43. d7 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.20"]
[Round "4"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Martinez Acuna, Hubert"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2024"]
[PlyCount "121"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Qxe7 11. c3 h6 12. Bh4 g5 13. Bg3 Nxe4 14. Qd5 Bd7 15. Qxe4 f5 16. Qd5 f4 17. Be2 Qe6 18. Rd1 Ke7 19. Bf3 Qxd5 20. Bxd5 Rac8 21. 0-0 Be6 22. Nc2 h5 23. f3 Bxd5 24. Rxd5 fxg3 25. hxg3 h4 26. g4 Ke6 27. Ne3 Ne7 28. Rd2 Rc5 29. Rfd1 Rd8 30. Kf2 Rc6 31. a3 a5 32. Kg1 d5 33. Re1 Rcd6 34. Rde2 Kf6 35. Nd1 Nc6 36. Nf2 Re6 37. Nd3 Rde8 38. Nc5 R6e7 39. Rd1 d4 40. Ne4+ Kg6 41. Nd6 Rb8 42. cxd4 exd4 43. Rxe7 Nxe7 44. Rxd4 b4 45. a4 Rd8 46. Kh2 Nc8 47. Nf5 Rxd4 48. Nxd4 Nd6 49. Nc6 Nb7 50. b3 Kf6 51. g3 hxg3+ 52. Kxg3 Kg6 53. f4 Kf6 54. f5 Kg7 55. Kf3 Kf7 56. Ke3 Kf6 57. Kd4 Kf7 58. Ke5 Kg7 59. Nd4 Kf7 60. Kd5 Kf6 61. Ne6 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.19"]
[Round "3"]
[White "Solano Lopez, Royner"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "2024"]
[PlyCount "85"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. Nbd2 Bb7 5. e3 Be7 6. Bd3 d5 7. h3 c5 8. c3 Nbd7 9. 0-0 0-0 10. Re1 h6 11. Ne5 a6 12. Ndf3 Re8 13. Qe2 Bf8 14. Rad1 Be7 15. Bb1 Qc8 16. h4 Nf8 17. g4 Ne4 18. g5 f6 19. gxf6 Bxf6 20. Ng4 Bc6 21. h5 Bb5 22. Qc2 e5 23. Nfxe5 Bxe5 24. Nxe5 Rxe5 25. dxe5 Qg4+ 26. Bg3 Ng5 27. Qf5 Nf3+ 28. Kh1 Qxf5 29. Bxf5 Nxe1 30. Rxe1 Re8 31. Bh3 Ne6 32. Bg2 d4 33. exd4 cxd4 34. cxd4 Nxd4 35. f4 Bc6 36. Bxc6 Nxc6 37. Rd1 Rd8 38. Rxd8+ Nxd8 39. Kg2 Kf7 40. Kf3 Ne6 41. Bf2 b5 42. Ke4 Nc7 43. f5 1-0

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.18"]
[Round "2"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Ugalde Garcia, Ronald"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "2024"]
[BlackElo "2142"]
[PlyCount "71"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 Nf6 7. 0-0 Be7 8. Re1 0-0 9. f4 Re8 10. Nf3 a6 11. Ba4 Bf8 12. Bb3 b5 13. Ng5 Re7 14. Nd5 Nxd5 15. Bxd5 h6 16. Nf3 Rb8 17. Bd2 Qe8 18. Qe2 Be6 19. Qd3 Nd8 20. f5 Bxd5 21. exd5 Nb7 22. b4 Qd7 23. Nd4 Rbe8 24. Nc6 Rxe1+ 25. Bxe1 Nd8 26. Nd4 c5 27. Ne2 Re5 28. Ng3 h5 29. Bc3 Re8 30. Nxh5 cxb4 31. Bd4 f6 32. Qg3 Kh8 33. Qh4 Kg8 34. Qg4 Kh8 35. Qh4 Kg8 36. Qg4 1/2-1/2

[Event "CRI-ch Phase1 72nd"]
[Site "Moravia"]
[Date "2008.05.17"]
[Round "1"]
[White "Vindas Moran, Roberto Camilo"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "0-1"]
[ECO "E41"]
[BlackElo "2024"]
[PlyCount "86"]
[EventDate "2008.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 Bxc3+ 7. bxc3 d6 8. 0-0 Nc6 9. Qe2 e5 10. e4 b6 11. d5 Ne7 12. Bg5 Ng6 13. h3 h6 14. Be3 Nh5 15. Qd2 Nhf4 16. Kh2 Qf6 17. Ng1 Kh8 18. g3 Nxd3 19. Qxd3 Qe7 20. g4 Qd7 21. Bd2 Qa4 22. Ne2 Ba6 23. Qf3 Bxc4 24. g5 Qc2 25. Qe3 hxg5 26. Rfc1 Qd3 27. Qxd3 Bxd3 28. Ng3 Nh4 29. Kh1 f6 30. c4 b5 31. cxb5 Bxb5 32. Rc3 Bd7 33. Rb3 Bxh3 34. Rb7 Bg2+ 35. Kh2 Bf3 36. Rab1 Bg4 37. Ba5 f5 38. Bc7 fxe4 39. Nxe4 Bf5 40. Bxd6 Bxe4 41. Bxf8 Rxf8 42. Rb8 Ng6 43. d6 Bxb1 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "7"]
[White "Charpentier Morales, William"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2195"]
[BlackElo "2000"]
[PlyCount "45"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 b5 10. a3 Bb7 11. Bd3 Nc6 12. Nxc6 Bxc6 13. Qh3 Qb7 14. Rhe1 b4 15. axb4 Qxb4 16. e5 dxe5 17. fxe5 Rb8 18. exf6 Qxb2+ 19. Kd2 Bb4 20. Rxe6+ fxe6 21. Qxe6+ Kd8 22. fxg7+ Kc7 23. gxh8Q 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "10"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2385"]
[BlackElo "2000"]
[PlyCount "51"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 c5 3. g3 Nc6 4. Bg2 e6 5. d3 Be7 6. e4 d6 7. 0-0 Qc7 8. Nc3 a6 9. a4 Rb8 10. h3 b5 11. axb5 axb5 12. g4 g6 13. f5 gxf5 14. exf5 h5 15. g5 Nd5 16. Nxd5 exd5 17. f6 Bd8 18. Nh4 Ne5 19. Bxd5 Kf8 20. Kh2 Bd7 21. Qe2 Qb6 22. Qe4 Bf5 23. Qxf5 Bc7 24. Bf4 Rd8 25. Bxf7 Kxf7 26. Bxe5 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "9"]
[White "Hernandez, Francisco"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2205"]
[BlackElo "2000"]
[PlyCount "110"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e3 Be7 5. Bd3 h6 6. Bh4 0-0 7. Ngf3 b6 8. 0-0 Bb7 9. c3 d6 10. Qe2 Nbd7 11. e4 e5 12. dxe5 dxe5 13. Bg3 Qc7 14. Nc4 Nh5 15. Bxe5 Nxe5 16. Ncxe5 Nf4 17. Qe3 Nxd3 18. Qxd3 Rad8 19. Qc4 Bd6 20. Nd3 Qc8 21. Qa4 b5 22. Qxa7 Bxe4 23. Nde1 Qe6 24. Qa3 c4 25. b4 cxb3 26. Qxb3 Bd5 27. Nd4 Bxh2+ 28. Kh1 Qg6 29. Qxb5 Rfe8 30. Kxh2 Rxe1 31. f3 Re5 32. Qb4 Rh5+ 33. Kg1 Qg3 34. Qe7 Rb8 35. Rab1 Rxb1 36. Rxb1 Qh2+ 37. Kf2 Rg5 38. Qd8+ Kh7 39. Qxg5 hxg5 40. Nf5 g4 41. Ng3 gxf3 42. Rh1 Qxh1 43. Nxh1 fxg2 44. Ng3 Kg6 45. a4 f5 46. Ne2 Kg5 47. a5 f4 48. a6 f3 49. Nd4 Kg4 50. c4 Ba8 51. c5 Kh3 52. Kg1 g6 53. c6 Bxc6 54. a7 Kg3 55. Nxf3 Kxf3 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "12"]
[White "Jimenez Molina, Juan Leon"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2135"]
[BlackElo "2000"]
[PlyCount "43"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 Nf6 2. Nf3 b6 3. Bg2 Bb7 4. c4 e6 5. 0-0 Be7 6. b3 0-0 7. Bb2 c5 8. Nc3 d5 9. cxd5 exd5 10. d4 Re8 11. Rc1 Nbd7 12. dxc5 bxc5 13. e3 Rc8 14. Rc2 Qc7 15. Rd2 Qb8 16. Qa1 Nb6 17. Rfd1 a5 18. Nh4 Rcd8 19. Nf5 Bf8 20. Ne2 Ne4 21. Bxe4 dxe4 22. Bxg7 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "1"]
[White "Melendez Vega, Esteban"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2020"]
[BlackElo "2000"]
[PlyCount "129"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 Qc7 7. Bg2 g6 8. 0-0 Bg7 9. h3 Bd7 10. Bg5 Qc8 11. Kh2 h6 12. Bxf6 exf6 13. Nb3 Qc7 14. Nd5 Qd8 15. Qd2 0-0 16. Qb4 Bb5 17. Rfd1 Nc6 18. Qd2 Re8 19. Nc3 Qb6 20. Qxd6 Qxf2 21. Rd2 Rad8 22. Qxd8 Qxg2+ 23. Kxg2 Nxd8 24. Nxb5 axb5 25. c3 Nc6 26. Re1 b4 27. Nd4 bxc3 28. bxc3 Ne5 29. Nf3 Nc6 30. Rde2 Ra8 31. Rb2 Ra3 32. Ree2 Ra7 33. Kf2 Bf8 34. Rb5 Bd6 35. Rd5 Bc7 36. Rd7 Bb6+ 37. Ke1 Kf8 38. Rd5 Bc7 39. Kf2 Ke7 40. Red2 Ba5 41. Rc2 Bc7 42. Nd4 Ra4 43. Kg2 Be5 44. Rb2 Nd8 45. Rd2 Nc6 46. Kf3 Nxd4+ 47. cxd4 Ra3+ 48. Ke2 Bxg3 49. Rb2 Bf4 50. Rxb7+ Ke8 51. Rdd7 Rxa2+ 52. Kf3 g5 53. Re7+ Kd8 54. Rxf7 Kc8 55. Rh7 h5 56. Rbg7 Ra3+ 57. Ke2 Ra2+ 58. Kd3 Rd2+ 59. Kc4 Rc2+ 60. Kb5 Kb8 61. Rg8+ Rc8 62. Rxc8+ Kxc8 63. Rxh5 Kd7 64. Rh7+ Kd8 65. Rf7 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "5"]
[White "Minero, Boris P"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2100"]
[BlackElo "2000"]
[PlyCount "144"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 e6 5. 0-0 c5 6. dxc5 bxc5 7. c4 Be7 8. Nc3 a6 9. Bf4 d6 10. Qb3 Qc7 11. Rad1 0-0 12. Rfe1 Nc6 13. Qc2 Rfd8 14. e4 Nd4 15. Qd2 e5 16. Bg5 Ne8 17. Nd5 Bxd5 18. exd5 Nxf3+ 19. Bxf3 Bxg5 20. Qxg5 Nf6 21. Bg2 Re8 22. h4 Qa5 23. a3 Rab8 24. Re2 Qa4 25. Rc1 Qd7 26. f3 Rb3 27. h5 h6 28. Qh4 Qf5 29. g4 Qf4 30. Rcc2 Reb8 31. Qf2 e4 32. fxe4 Qxf2+ 33. Kxf2 Nxg4+ 34. Kg1 Ne3 35. Rc1 Nxg2 36. Kxg2 Rxb2 37. Rxb2 Rxb2+ 38. Kf3 f6 39. Rc3 a5 40. Kf4 a4 41. Kf5 Kf7 42. Rc1 Rb3 43. Ra1 Rf3+ 44. Kg4 Rc3 45. Rb1 Rb3 46. Ra1 g6 47. hxg6+ Kxg6 48. Kf4 Rc3 49. Rg1+ Kf7 50. Rb1 Rb3 51. Ra1 h5 52. Ra2 h4 53. Kg4 h3 54. Kf5 Rg3 55. Rb2 Rg5+ 56. Kf4 Rg2 57. Rb7+ Kg6 58. Rb8 Rg5 59. Rb2 Rg2 60. Rb8 h2 61. Rh8 Ra2 62. Rh3 Rxa3 63. Rxh2 Rc3 64. Rg2+ Kf7 65. Kf5 Rxc4 66. Rh2 Rb4 67. Rh7+ Ke8 68. Ra7 Kd8 69. Ke6 Rxe4+ 70. Kxd6 Ke8 71. Kxc5 f5 72. d6 f4 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "14"]
[White "Minero Pineda, Carlos"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2060"]
[BlackElo "2000"]
[PlyCount "75"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 d5 5. cxd5 exd5 6. Bg2 Nc6 7. Nc3 h6 8. 0-0 a6 9. Re1 Be7 10. e4 dxe4 11. Nxe4 0-0 12. Nxc5 Nb4 13. Nd3 Nbd5 14. Nfe5 Qb6 15. Qa4 Rd8 16. Bd2 a5 17. Rac1 Bf8 18. Bc3 Bf5 19. Nc4 Qa6 20. Nc5 Bxc5 21. dxc5 Bd7 22. Qd1 Nxc3 23. Rxc3 Bc6 24. Nd6 Bxg2 25. Kxg2 Qc6+ 26. Qf3 Rd7 27. Qxc6 bxc6 28. Nc4 Rb8 29. b3 a4 30. Nb6 Rd2 31. bxa4 Rxa2 32. Re7 Nd5 33. Nxd5 cxd5 34. c6 Rxa4 35. c7 Rc8 36. Rd7 Rc4 37. Rxc4 dxc4 38. Rd8+ 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "18"]
[White "Murillo Tsijli, Alexis"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2250"]
[BlackElo "2000"]
[PlyCount "121"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. Qf3 Qc7 10. Qg3 b4 11. Nce2 0-0 12. Bh6 Ne8 13. Rad1 Bf6 14. Rd3 d5 15. exd5 Qxg3 16. Rxg3 e5 17. Nc6 Nd6 18. Bc1 a5 19. Nxb8 Rxb8 20. a3 Ba6 21. Re1 Rfd8 22. a4 Ne4 23. Rf3 Nc5 24. Ba2 Nxa4 25. Ng3 Re8 26. Ne4 Bd8 27. d6 Rf8 28. Bb3 Nb6 29. Nc5 Bb7 30. Nxb7 Rxb7 31. Rxe5 a4 32. Ba2 Nd7 33. Re1 Bf6 34. Rd3 Rc8 35. Bb1 Kf8 36. f4 Rb6 37. g4 Rbc6 38. g5 Bd8 39. Bd2 Bb6+ 40. Kf1 Bc5 41. Re7 Rd8 42. Ba2 b3 43. cxb3 Rxd6 44. Rxd6 Kxe7 45. Rd3 axb3 46. Bxb3 Ra8 47. Bd5 Rb8 48. Bc3 f6 49. Bc6 Nf8 50. gxf6+ gxf6 51. f5 Rb6 52. Ba4 Ra6 53. b3 Bd6 54. h3 Bf4 55. Bb4+ Bd6 56. Rxd6 Rxd6 57. Ke2 Nd7 58. Bxd6+ Kxd6 59. Bxd7 Kxd7 60. Kd3 Kd6 61. Kd4 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "17"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Arias Santana, Mauricio"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2000"]
[BlackElo "2090"]
[PlyCount "110"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. Rc1 Qa5 12. 0-0 Rfc8 13. b3 a6 14. Bf3 Rd8 15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Bxd2 Rab8 18. Bf4 b5 19. cxb5 axb5 20. Rfd1 g5 21. Be3 h6 22. g4 Ra8 23. Rc2 Be5 24. h3 Kg7 25. Kf1 Kf6 26. Ke2 Ra6 27. Bd4 Rda8 28. Bxe5+ Kxe5 29. Rdd2 b4 30. Ke3 Ra5 31. Bg2 Ra3 32. Bf1 R8a5 33. Bg2 Rc5 34. Bf3 Raa5 35. Bg2 Rxc2 36. Rxc2 Rc5 37. Rxc5+ dxc5 38. Bf1 f6 39. f3 Bd7 40. Bc4 Bc8 41. Bd5 Bd7 42. Bc4 Be8 43. Be2 h5 44. Bc4 h4 45. Be2 Bd7 46. Bc4 e6 47. Bd3 f5 48. Bf1 fxe4 49. fxe4 Bc6 50. Bd3 Bb7 51. Bc2 Ba6 52. Bd3 Bxd3 53. Kxd3 Kf4 54. Ke2 Kxe4 55. Kf2 e5 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "15"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Barrios, Carlos"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "118"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Bg4 9. cxd5 Qxd5 10. Nc3 Nxc3 11. bxc3 0-0 12. Qc2 Bxf3 13. gxf3 Qh5 14. Bf4 Qxf3 15. Bxc7 Rac8 16. Bxh7+ Kh8 17. Be4 Qg4+ 18. Bg3 Nxd4 19. Qa4 Ne2+ 20. Kh1 Nxc3 21. f3 Qxg3 22. hxg3 Nxa4 23. Kg2 g6 24. Bxb7 Rc2+ 25. Rf2 Rxf2+ 26. Kxf2 Nc5 27. Bd5 Kg7 28. Kg2 Rb8 29. Re1 Rb2+ 30. Kh3 Bf6 31. Re8 Rd2 32. Bc4 Rd4 33. Bf1 Ra4 34. Rc8 Bd4 35. Rc7 Ne6 36. Rc2 Ra3 37. Kg2 Rc3 38. Rd2 Be3 39. Rd7 Kf6 40. Rd3 Rxd3 41. Bxd3 Ke5 42. Kf1 f5 43. Bb5 Nd4 44. Be8 g5 45. Kg2 f4 46. g4 Kd5 47. Bf7+ Kc5 48. Bg8 Kb4 49. Bd5 Ka3 50. Kf1 a5 51. Ke1 Kb2 52. Kd1 a4 53. Ke1 Nc2+ 54. Ke2 Nb4 55. Bc4 Nxa2 56. Kd3 Nc3 57. Bg8 a3 58. Bf7 a2 59. Bxa2 Nxa2 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "4"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Bermudez Vives, Sergio"]
[Result "0-1"]
[ECO "B60"]
[WhiteElo "2000"]
[BlackElo "2100"]
[PlyCount "106"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Bg5 Be7 8. 0-0 0-0 9. Kh1 Qc7 10. f4 Nc6 11. f5 Bd7 12. Bf3 b5 13. e5 dxe5 14. Bxf6 Bxf6 15. fxe6 exd4 16. Nd5 Qd6 17. Nxf6+ gxf6 18. exd7 Rad8 19. Bxc6 Qxc6 20. Qg4+ Kh8 21. Qh4 Rg8 22. Qxf6+ Qxf6 23. Rxf6 Rxd7 24. Raf1 Rc8 25. R1f2 Kg7 26. g3 Rxc2 27. Rxf7+ Rxf7 28. Rxc2 Rd7 29. Kg2 Kf6 30. Kf3 Ke5 31. Rc5+ Kd6 32. b4 Re7 33. Rc8 Kd5 34. Rc5+ Kd6 35. Rc8 Re6 36. Rd8+ Ke5 37. Rd7 h6 38. Ke2 Ke4 39. Rf7 Kd5+ 40. Kd3 Re3+ 41. Kd2 Ra3 42. Rf5+ Kc4 43. Rh5 Rxa2+ 44. Kd1 Kd3 45. Kc1 Kc3 46. Kb1 Rb2+ 47. Kc1 Rxb4 48. Rxh6 a5 49. h4 a4 50. Ra6 d3 51. Rc6+ Rc4 52. Rd6 a3 53. h5 a2 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "19"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Minero Pineda, Sergio"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "2000"]
[BlackElo "2315"]
[PlyCount "120"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 b6 9. Qd2 c5 10. Ne2 Nc6 11. g4 Bb7 12. c3 0-0-0 13. Ng3 Kb8 14. 0-0-0 Rc8 15. Kb1 b5 16. Rc1 c4 17. Be2 b4 18. f5 Nb6 19. fxe6 fxe6 20. Qg5 Qd7 21. Rhf1 bxc3 22. bxc3 Na5 23. Bd1 Ka8 24. Qd2 Rhf8 25. Qc2 h6 26. Ka1 Bc6 27. Qb2 Rb8 28. Qa3 Na4 29. Bxa4 Bxa4 30. Nd2 Rxf1 31. Rxf1 Nb7 32. Rb1 Nd8 33. Rxb8+ Kxb8 34. Qd6+ Qxd6 35. exd6 Kc8 36. Nh5 g6 37. Nf6 Nf7 38. Nf3 Nxd6 39. Kb2 Nf7 40. Kc1 Kc7 41. h4 Kd6 42. g5 hxg5 43. hxg5 e5 44. Ng4 e4 45. Nfe5 Nxg5 46. Nxg6 Nf3 47. Ne3 Ne1 48. Nf4 Nd3+ 49. Nxd3 cxd3 50. Kd2 Bb5 51. Nd1 Bc4 52. a3 Bb3 53. Ne3 Kc6 54. Nf1 Kb5 55. Kc1 Ka4 56. Kb2 e3 57. Nxe3 d2 58. c4 dxc4 59. d5 d1Q 60. Nxd1 Bxd1 0-1

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "13"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Rodriguez, Adrian"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2000"]
[BlackElo "2105"]
[PlyCount "121"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. g3 Be7 8. Bg2 Qc7 9. Qe2 Nc6 10. Nc2 0-0 11. 0-0 Bd7 12. Rd1 Rac8 13. Ne3 Rfd8 14. b3 Be8 15. Bb2 Qb8 16. Rac1 Na7 17. f4 b5 18. e5 dxe5 19. fxe5 Nd7 20. Ng4 h5 21. Nf2 bxc4 22. Qxh5 Qxe5 23. Qxe5 Nxe5 24. Na4 Nd3 25. Nxd3 cxd3 26. Bb7 Rxc1 27. Bxc1 Bb5 28. Be3 Rd7 29. Be4 f5 30. Bg2 Bb4 31. Nc5 Bxc5 32. Bxc5 a5 33. a4 Bc6 34. Bxa7 Bxg2 35. Kxg2 Rxa7 36. Rxd3 Rb7 37. Kf2 Kf7 38. Ke2 Rb6 39. Kd2 Kf6 40. Kc3 g5 41. Rd8 f4 42. gxf4 gxf4 43. Rf8+ Ke5 44. h4 Ke4 45. Rf6 Ke3 46. h5 Rc6+ 47. Kb2 f3 48. h6 f2 49. h7 Rc8 50. Rxe6+ Kd4 51. Rf6 Ke3 52. Re6+ Kd3 53. Rf6 Ke2 54. Re6+ Kf1 55. Rf6 Re8 56. Rg6 Ke1 57. Rg8 Re2+ 58. Ka3 f1Q 59. h8Q Qf3 60. Qa1+ Kf2 61. Qg1# 1-0

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "8"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Salas Perez, Walter"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2000"]
[BlackElo "2000"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. Nf3 0-0 7. Be2 dxc4 8. Bxc4 Nbd7 9. 0-0 Nb6 10. Bb3 Nbd5 11. Ne5 c6 12. a3 Nxc3 13. bxc3 Bf5 14. Re1 h6 15. Qf3 Bh7 16. Qg3 Ne4 17. Qg4 Nf6 18. Bxf7+ Rxf7 19. Qe6 Qd5 20. Nxf7 Qxe6 21. Nxh6+ gxh6 22. Rxe6 Kf7 23. Re1 h5 24. Bb2 Bd6 25. f3 Re8 26. Rxe8 Kxe8 27. Re1+ Kf7 28. g3 Nd5 29. c4 Nf6 30. Kf2 Bd3 31. Rc1 Bf5 32. Re1 Bd3 33. Rc1 Bf5 34. Re1 Bd3 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "2"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Solano Cruz, Agustin"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2000"]
[BlackElo "2015"]
[PlyCount "106"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. c4 Nc6 8. 0-0 Bg4 9. cxd5 Qxd5 10. Re1 Nf6 11. Nc3 Qh5 12. h3 Bxf3 13. Qxf3 Qxf3 14. gxf3 Nxd4 15. Kg2 Kf8 16. Bf4 Ne6 17. Bh2 Bd6 18. Bxd6+ cxd6 19. Bc4 d5 20. Bb3 Rd8 21. Rad1 g5 22. Ne2 Kg7 23. Nd4 Rhe8 24. Kf1 Nxd4 25. Rxe8 Rxe8 26. Rxd4 Re5 27. f4 gxf4 28. Rxf4 Re4 29. Rxe4 dxe4 30. Ke2 Kg6 31. Ke3 h5 32. Kf4 Nd7 33. Kxe4 Nc5+ 34. Ke3 Nxb3 35. axb3 Kg5 36. Kf3 a5 37. Kg3 h4+ 38. Kf3 Kf5 39. Ke3 Ke5 40. Kf3 f5 41. Ke3 f4+ 42. Kd3 b5 43. f3 Kd5 44. Kc3 Kc5 45. Kd3 Kb4 46. Kc2 Kc5 47. Kc3 a4 48. b4+ Kd5 49. Kd3 Ke5 50. Kc3 Kd5 51. Kd3 Ke5 52. Kc3 Kd5 53. Kd3 Ke5 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "11"]
[White "Peraza Alvarez, Rafael Eduardo"]
[Black "Vargas, Oliverio"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2000"]
[BlackElo "2020"]
[PlyCount "119"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. d3 Bd6 7. Be3 Ne7 8. Nbd2 0-0 9. c3 c5 10. a4 h6 11. Qb3 Be6 12. Qc2 Ng6 13. Nc4 f5 14. exf5 Bxf5 15. Ncd2 Nh4 16. Ne1 Qe8 17. Ne4 Qg6 18. f3 Rf7 19. Qf2 Be7 20. Kh1 c4 21. g3 cxd3 22. Nd2 Nxf3 23. Nexf3 Raf8 24. Qg2 Be4 25. Rf2 Bxf3 26. Rxf3 Rxf3 27. Nxf3 Qe4 28. Bf4 exf4 29. Re1 d2 30. Rxe4 d1Q+ 31. Re1 Qd6 32. g4 Qf6 33. Qe2 Bd6 34. Qe4 b6 35. Qc4+ Qf7 36. Qxa6 Qb3 37. Qb5 Qf7 38. Qe2 Qg6 39. Qe6+ Qxe6 40. Rxe6 Kf7 41. Re4 Re8 42. Rxe8 Kxe8 43. Kg2 c5 44. c4 Kf7 45. Kf2 Ke6 46. Ke2 Be5 47. b3 Bf6 48. Kd3 Bd8 49. Ke4 Bc7 50. h3 g5 51. h4 Bd8 52. h5 Bf6 53. Kd3 Bg7 54. Ne1 Ke5 55. Nf3+ Ke6 56. Ke4 Bc3 57. Ng1 Bg7 58. Ne2 Bb2 59. Ng1 Bg7 60. Ne2 1/2-1/2

[Event "CRI-ch"]
[Site "Costa Rica"]
[Date "1997.??.??"]
[Round "3"]
[White "Ugalde Garcia, Ronald"]
[Black "Peraza Alvarez, Rafael Eduardo"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2165"]
[BlackElo "2000"]
[PlyCount "91"]
[EventDate "1997.??.??"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "CRI"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. exd6 Qxd6 8. Nc3 e6 9. Bd3 Be7 10. 0-0 0-0 11. Ne4 Qd8 12. Bg5 f6 13. Bd2 f5 14. Nc5 Nxd4 15. Nxd4 Bxc5 16. Nb3 Bb6 17. Qe2 Qf6 18. Rab1 Bd7 19. Rfe1 Rae8 20. Na5 Bxa5 21. Bxa5 Nf4 22. Qe3 Nxd3 23. Qxd3 Bc6 24. Bc3 Qg6 25. f3 Rd8 26. Qe3 Rfe8 27. Rbd1 Bd5 28. a3 a6 29. Be5 Rc8 30. Rc1 Red8 31. Bc3 Rc6 32. Qf2 Rdc8 33. Re3 Qf7 34. f4 Rc4 35. Rg3 Qc7 36. Rf1 g6 37. h4 Qc5 38. Re3 h5 39. Kh2 Kh7 40. Rfe1 Qc7 41. Re5 Re4 42. R1xe4 Bxe4 43. Rxe6 Bd5 44. Re5 Rd8 45. Qd4 Qf7 46. Rxd5 1-0

