[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.28"]
[Round "8.3"]
[White "Zamora Mejias, Alonso"]
[Black "Charpentier Morales, William"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "1928"]
[BlackElo "2216"]
[PlyCount "85"]
[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 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4 Bg7 9. Nd2 Nh5 10. Bg3 Nxg3 11. hxg3 0-0 12. Nc4 Re8 13. Qd2 b6 14. e3 Bf5 15. Be2 Qc7 16. g4 Bc8 17. Bf3 Nd7 18. Ne4 Rxe4 19. Bxe4 Nf6 20. Bf3 Bxg4 21. Bxg4 Nxg4 22. Rh4 h5 23. f3 Nf6 24. Qd3 Re8 25. Nd2 Qe7 26. Rh1 Qe5 27. Nc4 Qg3+ 28. Kf1 b5 29. axb5 axb5 30. Nd2 c4 31. Qe2 Nxd5 32. Ne4 Qe5 33. Rd1 f5 34. Qd2 Nxe3+ 35. Qxe3 fxe4 36. Qxe4 Qxe4 37. fxe4 Bxb2 38. Rxd6 Kg7 39. Rd7+ Kf6 40. Rd6+ Re6 41. Rxe6+ Kxe6 42. Ke2 b4 43. Kd2 0-1

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.27"]
[Round "6.4"]
[White "Alfaro Caracas, William"]
[Black "Zamora Mejias, Alonso"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2169"]
[BlackElo "1928"]
[PlyCount "91"]
[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. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. c4 Be7 7. cxd5 Nxd5 8. dxc5 0-0 9. a3 Bxc5 10. Qc2 Bb6 11. Rd1 Qc7 12. h3 h6 13. e3 Qe7 14. Bd2 Bd7 15. Nc3 Nxc3 16. Bxc3 Rac8 17. b4 Rfd8 18. Qb2 f6 19. Nd2 Be8 20. Nc4 Rxd1+ 21. Rxd1 Rd8 22. Rxd8 Qxd8 23. b5 Nb8 24. Bb4 Qd7 25. Nd6 Bc7 26. Nxe8 Qxe8 27. Qe2 b6 28. Qc4 Qd7 29. a4 Kf7 30. Bf3 g6 31. h4 Be5 32. h5 Qc7 33. hxg6+ Kg7 34. Qxe6 Qd7 35. Qc4 Qc7 36. Qe6 Qd7 37. Bd5 Qxe6 38. Bxe6 Kxg6 39. f4 Bc7 40. Kg2 h5 41. Kh3 a6 42. Be7 axb5 43. axb5 Kg7 44. Kh4 Kg6 45. e4 Kh6 46. Bxf6 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.26"]
[Round "5.2"]
[White "Zamora Mejias, Alonso"]
[Black "Gutierrez, Oscar"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1928"]
[BlackElo "2072"]
[PlyCount "83"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be3 Nbd7 7. Be2 Re8 8. 0-0 e5 9. d5 Ng4 10. Bd2 f5 11. Rc1 Ndf6 12. Ng5 Nh6 13. b4 a5 14. c5 axb4 15. Nb5 Nxe4 16. Nxe4 fxe4 17. cxd6 cxd6 18. Bxb4 Nf7 19. Nc7 Rxa2 20. Nxe8 Qxe8 21. Bc4 Ra8 22. Qe2 Bd7 23. Ra1 Rc8 24. Ra7 b5 25. Bb3 h5 26. h3 Bf8 27. Rfa1 Qd8 28. Rb7 Nh6 29. Ba5 Qe8 30. Bd2 Nf5 31. Qxe4 Nd4 32. Bd1 Bf5 33. Qh4 Bd7 34. Raa7 Nf5 35. Qb4 Rc4 36. Qb2 Bc8 37. Rxb5 e4 38. Be2 Rd4 39. Bc3 Rd3 40. Bxd3 exd3 41. Rb8 Qe4 42. Rxc8 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.25"]
[Round "3.1"]
[White "Zamora Mejias, Alonso"]
[Black "Carvajal Gorgona, Jonathan G"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1928"]
[BlackElo "2145"]
[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 "Goicoechea"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Nf3 0-0 6. b3 b6 7. Bd3 Bb7 8. 0-0 Nbd7 9. Qe2 Ne4 10. Bxe4 dxe4 11. Nd2 f5 12. f3 exf3 13. Nxf3 Nf6 14. Bb2 Bd6 15. Nb5 Ne4 16. Nxd6 cxd6 17. d5 e5 18. Nd2 Nxd2 19. Qxd2 Rc8 20. a4 g5 1/2-1/2

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.25"]
[Round "4.5"]
[White "Zamora Mejias, Alonso"]
[Black "Gamboa Alvarado, Olga Leticia"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "1928"]
[BlackElo "1879"]
[PlyCount "141"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 c5 7. Bd2 cxd4 8. exd4 d5 9. Qa4+ Nc6 10. Ne5 Bxc3 11. bxc3 Qc7 12. cxd5 Nxd5 13. Bb5 Nde7 14. Bf4 Qc8 15. Nc4 0-0 16. Nd6 Qc7 17. Nxb7 Qxb7 18. 0-0 a6 19. Bd3 Nd5 20. Bd2 b5 21. Qc2 h6 22. Qb2 Qc7 23. a4 b4 24. cxb4 Ncxb4 25. Bxb4 Rfb8 26. Be4 Nxb4 27. Bxa8 Nc2 28. Qc1 Rxa8 29. Rb1 Qc6 30. Rb2 Nxd4 31. Qxc6 Nxc6 32. Rc1 Ne5 33. Rbc2 Re8 34. Rc8 Kf8 35. Rxe8+ Kxe8 36. Rc8+ Kd7 37. Ra8 Kc7 38. Rxa6 Kb7 39. Rd6 Kc7 40. Ra6 Kb7 41. Ra5 Nc6 42. Rb5+ Ka6 43. Kf1 f6 44. Ke1 e5 45. Kd2 Nd4 46. Rd5 Kb6 47. Rd7 Nb3+ 48. Kc3 Nc5 49. Rxg7 Nxa4+ 50. Kc4 Nb2+ 51. Kd5 Nd3 52. f3 Nf4+ 53. Ke4 Kc6 54. g3 Nd5 55. Rg6 Kd6 56. Rxh6 Ke6 57. g4 Ne7 58. h4 Nc8 59. g5 Nd6+ 60. Kd3 Ne8 61. Rxf6+ Nxf6 62. gxf6 Kf7 63. Ke4 Kxf6 64. h5 Ke6 65. h6 Kf6 66. h7 Kg7 67. Kxe5 Kxh7 68. Ke6 Kg8 69. f4 Kg7 70. f5 Kf8 71. Kf6 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.22"]
[Round "1.2"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Zamora Mejias, Alonso"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2413"]
[BlackElo "1928"]
[PlyCount "69"]
[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 "Colegio New Hope"]
[BlackTeam "Costa Rica Univ"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Nbd7 6. Qc2 Bd6 7. 0-0 0-0 8. Nbd2 Re8 9. e4 Nxe4 10. Nxe4 dxe4 11. Qxe4 e5 12. Re1 f5 13. Qxf5 Nf6 14. Qc2 exd4 15. Rxe8+ Qxe8 16. c5 Bf8 17. Bg5 d3 18. Qxd3 Be6 19. Bxf6 gxf6 20. Qc3 Qf7 21. Nd4 Re8 22. a3 Bg7 23. Qb4 Bd5 24. Re1 Rxe1+ 25. Qxe1 Bxg2 26. Kxg2 Qd5+ 27. Nf3 Kf7 28. Qa5 Qb3 29. Qc7+ Kf8 30. Qd8+ Kf7 31. Qd7+ Kf8 32. Nd4 Qd5+ 33. Qxd5 cxd5 34. Ne6+ Kf7 35. Nxg7 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2012.07.22"]
[Round "2.5"]
[White "Zamora Mejias, Alonso"]
[Black "Ugalde Garcia, Ronald"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1928"]
[BlackElo "2136"]
[PlyCount "62"]
[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 "Santa Barbara"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. e3 c6 6. b3 Bd6 7. Bd3 e5 8. cxd5 Bb4 9. Bd2 Bxc3 10. Bxc3 e4 11. dxc6 bxc6 12. Bc4 exf3 13. Qxf3 Bb7 14. e4 0-0 15. 0-0 Nb6 16. Rfe1 Qd7 17. h3 Qe7 18. Rad1 Nfd7 19. Qg3 Rfe8 20. d5 Qf8 21. dxc6 Bxc6 22. Rd6 Nxc4 23. bxc4 Re6 24. Red1 Nb6 25. Rxe6 fxe6 26. Rd6 Bxe4 27. Rxe6 Bg6 28. Qe5 Nxc4 29. Qd5 Bf7 30. Qxc4 Rc8 31. Qb3 Rxc3 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "7"]
[White "Gomez Huertas, Stanley"]
[Black "Zamora Mejias, Alonso"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1991"]
[PlyCount "39"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. g4 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. e4 e5 11. g5 Ng4 12. h3 exd4 13. hxg4 dxc3 14. Qxc3 Nc5 15. Bc2 Ne6 16. Bd2 b4 17. Qc4 Qb6 18. g6 Ba6 19. gxf7+ Kxf7 20. Ne5+ 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "8"]
[White "Zamora Mejias, Alonso"]
[Black "Duran Vega, Andres"]
[Result "1-0"]
[ECO "E52"]
[BlackElo "1975"]
[PlyCount "75"]
[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 e6 3. Nc3 Bb4 4. Nf3 d5 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 b6 9. a3 Bxc3 10. bxc3 Bb7 11. Re1 Ne4 12. Qc2 Ndf6 13. Bd3 Qd6 14. Ne5 Rad8 15. a4 c5 16. f3 Ng5 17. h4 Nxf3+ 18. gxf3 h6 19. Ba3 Nd7 20. Nxd7 Rxd7 21. Qg2 f5 22. Rad1 Qe7 23. Qg3 Rf6 24. Kf2 Qf7 25. Bc4 Kh8 26. Qf4 cxd4 27. Rxd4 Rxd4 28. exd4 Qd7 29. Bb5 Qc8 30. Bb2 a6 31. Bd3 Bd5 32. Qd6 Qb7 33. c4 Bc6 34. d5 e5 35. Qd8+ Kh7 36. dxc6 Qxc6 37. Rxe5 Rf7 38. Rxf5 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.15"]
[Round "9"]
[White "Centeno, Erick"]
[Black "Zamora Mejias, Alonso"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2043"]
[PlyCount "72"]
[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 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bd3 c6 7. 0-0 0-0 8. Kh1 a5 9. Nf5 Bxf5 10. exf5 d5 11. g4 Nfd7 12. f4 Nc5 13. g5 Nxd3 14. Qxd3 Nd7 15. Be3 Bc5 16. Rf3 Re8 17. Bd2 Bb4 18. a3 Bd6 19. Rh3 f6 20. Qf3 Nf8 21. Nxd5 cxd5 22. Qxd5+ Kh8 23. gxf6 Be5 24. Qxd8 Rexd8 25. fxe5 Rxd2 26. fxg7+ Kxg7 27. Rg3+ Kf7 28. Rag1 Re2 29. Rg7+ Ke8 30. e6 Rd8 31. Rxb7 Rdd2 32. Rc1 Rxh2+ 33. Kg1 Rdg2+ 34. Kf1 h5 35. Rb8+ Ke7 36. Rb7+ Ke8 1/2-1/2

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "5"]
[White "Rodriguez Carmona, James"]
[Black "Zamora Mejias, Alonso"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2011"]
[PlyCount "64"]
[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 Nf6 3. g3 d6 4. Bg2 Be7 5. e3 c6 6. Nge2 0-0 7. d4 Qc7 8. 0-0 Rd8 9. e4 a5 10. Bg5 h6 11. Be3 Bg4 12. h3 Bxe2 13. Qxe2 Na6 14. f4 exd4 15. Bxd4 Nd7 16. Rae1 Re8 17. b3 Nac5 18. e5 dxe5 19. fxe5 Ne6 20. Bf2 Bb4 21. Qb2 Nec5 22. Re3 Nxe5 23. Ne4 Ncd3 24. Qe2 f5 25. Rxd3 Nxd3 26. Qxd3 fxe4 27. Bxe4 Rad8 28. Qf3 Rf8 29. Qg4 Qd6 30. Bb1 Bc5 31. Bf5 Bxf2+ 32. Kxf2 Rxf5+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "6"]
[White "Zamora Mejias, Alonso"]
[Black "Barrios Zamora, Carlos"]
[Result "0-1"]
[ECO "E43"]
[BlackElo "2132"]
[PlyCount "92"]
[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 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 0-0 6. Bd3 Bb7 7. 0-0 d6 8. Qe2 Bxc3 9. bxc3 Ne4 10. Qc2 f5 11. Nd2 d5 12. Ba3 Re8 13. cxd5 exd5 14. c4 Nd7 15. Bxe4 fxe4 16. f3 exf3 17. Rxf3 Nf6 18. Raf1 dxc4 19. Rh3 Qd5 20. Nxc4 Bc8 21. Rh4 Qg5 22. Rhf4 Bb7 23. Ne5 c5 24. Rxf6 Rxe5 25. dxe5 gxf6 26. Qf2 Rf8 27. exf6 Rxf6 28. Qg3 Qxg3 29. hxg3 Rxf1+ 30. Kxf1 Bd5 31. Ke2 Bxa2 32. Kd3 Kf7 33. e4 Ke6 34. Bc1 Bb1+ 35. Ke3 a5 36. Bd2 a4 37. Bc3 b5 38. Ba1 b4 39. Kd2 Bxe4 40. Bg7 Bxg2 41. Bf8 Kd5 42. Kc2 Kc4 43. Bg7 a3 44. Kb1 Kb3 45. Be5 Be4+ 46. Kc1 Ka2 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.07"]
[Round "4"]
[White "Zamora Mejias, Alonso"]
[Black "Marin, Bryan"]
[Result "1-0"]
[ECO "D28"]
[BlackElo "1765"]
[PlyCount "67"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 c5 8. Qe2 Nc6 9. dxc5 Bxc5 10. 0-0 a6 11. Rd1 Qc7 12. e4 b5 13. e5 Nd7 14. Bd3 Ncxe5 15. Nxe5 Qxe5 16. Qf3 Ra7 17. Bf4 Qf6 18. Ne4 Qxb2 19. Nxc5 Nxc5 20. Bd6 Nxd3 21. Bxf8 Kxf8 22. Qxd3 Rd7 23. Qxh7 Ke7 24. Qh4+ f6 25. Qh8 Kf7 26. Qxc8 Rxd1+ 27. Rxd1 Qxa2 28. Qc7+ Kg6 29. Rc1 f5 30. Qg3+ Kf6 31. Qc3+ Kg6 32. h3 a5 33. Ra1 Qd5 34. Qxa5 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.02"]
[Round "2"]
[White "Zamora Mejias, Alonso"]
[Black "Brenes Salgado, Juan Carlos"]
[Result "1-0"]
[ECO "E90"]
[BlackElo "1997"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 a5 8. a3 Nbd7 9. Be3 Nh5 10. Bd3 Nf4 11. Bxf4 exf4 12. Qc2 Nc5 13. 0-0 g5 14. Nh2 a4 15. Rad1 Bd7 16. Rfe1 Qc8 17. Be2 f5 18. f3 Qd8 19. Nb5 Nb3 20. exf5 Bxf5 21. Bd3 Bxd3 22. Qxd3 Bxb2 23. Re2 Nc5 24. Qc2 Be5 25. Ng4 Nd7 26. Nd4 Bxd4+ 27. Rxd4 Nc5 28. Rd1 Qd7 29. Rde1 Qg7 30. Re7 Rf7 31. Rxf7 Kxf7 32. Qf5+ Kg8 33. Nf6+ Kh8 34. Ne8 Qd4+ 35. Kh2 Kg8 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "2"]
[White "Castro Madrigal, Randall"]
[Black "Zamora Mejias, Alonso"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2135"]
[PlyCount "83"]
[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 Nf6 3. e3 Be7 4. Qc2 Nc6 5. a3 a5 6. Nf3 d6 7. h3 Be6 8. d4 exd4 9. exd4 d5 10. c5 Ne4 11. Nxe4 dxe4 12. Qxe4 Bd5 13. Qg4 Bxf3 14. Qxf3 Nxd4 15. Qe4 0-0 16. Bd3 g6 17. 0-0 Nb3 18. Bh6 Re8 19. Bc4 Nxc5 20. Qf3 Bf6 21. Rad1 Qe7 22. Rfe1 Ne6 23. Re2 Bg7 24. Bxg7 Kxg7 25. Qxb7 Rad8 26. Rde1 Rd6 27. Qb5 Ra8 28. Qb3 Re8 29. Qc3+ Qf6 30. Qxa5 Re7 31. b4 Red7 32. Bxe6 fxe6 33. b5 Kf7 34. a4 Qf4 35. Re3 Ke7 36. Qc3 Qf6 37. Qc5 Kd8 38. a5 Rd5 39. Rxe6 Qf7 40. Qa7 R7d6 41. Re8+ Kd7 42. Qb8 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "1"]
[White "Jimenez, Alvarado Alonso"]
[Black "Zamora Mejias, Alonso"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2109"]
[PlyCount "85"]
[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 d6 3. Bc4 Be7 4. d4 exd4 5. Nxd4 Nf6 6. 0-0 0-0 7. Re1 c6 8. Nc3 Nbd7 9. a4 Ne5 10. Be2 Qc7 11. f4 Ng6 12. Bf3 Re8 13. Be3 a5 14. g3 Bd7 15. Qd3 Rad8 16. Bg2 Bc8 17. Rad1 Nf8 18. h3 N8d7 19. Nf5 Nb6 20. Nxe7+ Rxe7 21. Kh2 Ree8 22. g4 h6 23. b3 Na8 24. Qd2 b6 25. Bf2 Ba6 26. Bg3 Rd7 27. f5 Red8 28. g5 hxg5 29. Qxg5 Nh7 30. Qh4 f6 31. Bf4 Re7 32. Rd2 b5 33. axb5 Bxb5 34. Red1 Red7 35. Qg3 Nb6 36. Rxd6 Rxd6 37. Rxd6 Rxd6 38. Bxd6 Qf7 39. Nxb5 cxb5 40. Bc7 Nd7 41. Bf1 a4 42. Bxb5 a3 43. Bc4 1-0

