[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.12.07"]
[Round "10"]
[White "Castro Madrigal, Randall"]
[Black "Carvajal Gorgona, Jonathan G"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "2126"]
[BlackElo "2183"]
[PlyCount "54"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Ne4 5. cxd5 exd5 6. d4 Bb4 7. Bd2 Nxd2 8. Qxd2 Nc6 9. Nf3 Bg4 10. Be2 0-0 11. 0-0 f6 12. exf6 Qxf6 13. Rae1 Rad8 14. a3 Bd6 15. h3 Be6 16. b4 Bf4 17. Qc2 a6 18. Bd3 g6 19. Re2 Bf7 20. Rfe1 Nxd4 21. Nxd4 Qxd4 22. Re7 Bd6 23. R7e2 c5 24. bxc5 Bxc5 25. Ra1 Rc8 26. Re3 Bb6 27. Bf1 Qg7 0-1

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.12.07"]
[Round "9"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2489"]
[BlackElo "2126"]
[PlyCount "71"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 c6 6. Qd2 Qa5 7. g4 b5 8. g5 Nh5 9. Nge2 Nd7 10. Ng3 Nxg3 11. hxg3 Ba6 12. Nd1 Qxd2+ 13. Kxd2 Nb6 14. b3 0-0 15. a4 Rfd8 16. axb5 Bxb5 17. c4 c5 18. cxb5 cxd4 19. Bf2 d5 20. Bd3 e6 21. Nb2 Rac8 22. exd5 Nxd5 23. Nc4 Ne3 24. Rxa7 Bf8 25. Rha1 Bb4+ 26. Ke2 Bc3 27. R1a2 Nd5 28. b6 Rb8 29. b7 Nb4 30. R2a4 Nc6 31. Ra8 e5 32. Rxb8 Nxb8 33. Nxe5 Re8 34. f4 h6 35. Ra8 hxg5 36. Bb5 1-0

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.12.06"]
[Round "8"]
[White "Castro Madrigal, Randall"]
[Black "Arias Santana, Mauricio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2126"]
[BlackElo "2311"]
[PlyCount "64"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nge2 d4 7. Ne4 Nxe4 8. Bxe4 Nc6 9. d3 Bd6 10. 0-0 Bg4 11. Bg2 Qd7 12. Bxc6 Qxc6 13. Nxd4 Bxd1 14. Nxc6 Bxc2 15. Re1+ Kf8 16. Ne5 f6 17. Nc4 Be7 18. Be3 Bxd3 19. Na5 Ba6 20. Rac1 Rc8 21. b4 b6 22. Nb3 c4 23. Nd4 Bxb4 24. Red1 Kf7 25. Nc2 Be7 26. Rd7 Ra8 27. Nb4 Bb5 28. Rc7 Rhd8 29. h3 Rd6 30. Kh2 g5 31. g4 Ke8 32. a3 Rd7 0-1

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.12.06"]
[Round "7"]
[White "Gonzalez Acosta, Jaime Roy"]
[Black "Castro Madrigal, Randall"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2070"]
[BlackElo "2126"]
[PlyCount "35"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 g4 6. Nh4 Ne7 7. d4 Ng6 8. Ng2 h5 9. e4 h4 10. e5 Qe7 11. Bf4 Nxf4 12. gxf4 h3 13. Ne3 Qh4+ 14. Kd2 Bb4+ 15. Nc3 Bxc3+ 16. Kxc3 g3 17. hxg3 Qxg3 18. Qd3 1/2-1/2

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.12.05"]
[Round "6"]
[White "Jimenez, Alonso"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2151"]
[BlackElo "2126"]
[PlyCount "49"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 e5 7. d5 c6 8. c4 Re8 9. Nc3 Na6 10. Nge2 Qa5 11. g4 cxd5 12. cxd5 Nb4 13. h4 Nxd3+ 14. Qxd3 a6 15. h5 b5 16. hxg6 hxg6 17. Kf2 b4 18. Nd1 Bd7 19. Qd2 Rac8 20. Bh6 Bh8 21. Qg5 Rc2 22. Qh4 Bb5 23. Bg5 Rxe2+ 24. Kg3 Bg7 25. Bxf6 1-0

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.11.30"]
[Round "5"]
[White "Carvajal Gorgona, Jonathan G"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2183"]
[BlackElo "2126"]
[PlyCount "43"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. 0-0 e5 7. Ng5 Nh6 8. d3 0-0 9. f5 gxf5 10. exf5 Bxf5 11. Rxf5 Nxf5 12. Qh5 h6 13. Bxf7+ Kh8 14. g4 Nfd4 15. Qg6 Qxg5 16. Bxg5 Nf3+ 17. Kh1 Nxg5 18. Bd5 Rab8 19. Bxc6 bxc6 20. h4 Nh7 21. Ne4 Nf6 22. Ng3 1-0

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.11.30"]
[Round "4"]
[White "Castro Madrigal, Randall"]
[Black "Gonzalez Acosta, Bernal Manuel"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2126"]
[BlackElo "2489"]
[PlyCount "76"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 e5 5. d3 f5 6. Nf3 Nf6 7. 0-0 0-0 8. Rb1 Nc6 9. b4 h6 10. b5 Ne7 11. a4 Be6 12. a5 b6 13. axb6 axb6 14. Bb2 g5 15. Ra1 Rc8 16. Ne1 f4 17. Nc2 Qd7 18. Nb4 Bh3 19. Ra7 Bxg2 20. Kxg2 Qe6 21. Qb3 e4 22. Nxe4 Nxe4 23. Bxg7 Kxg7 24. dxe4 Qxe4+ 25. Kg1 Qxe2 26. Qc3+ Qe5 27. Qxe5+ dxe5 28. Re1 Kf6 29. Na6 Rfd8 30. Nxc7 f3 31. Rb7 Rd6 32. h3 h5 33. g4 hxg4 34. hxg4 Rh8 35. Nd5+ Nxd5 36. cxd5 Rh4 37. Re3 Rxg4+ 38. Kf1 e4 0-1

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.11.29"]
[Round "3"]
[White "Arias Santana, Mauricio"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2311"]
[BlackElo "2126"]
[PlyCount "61"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. h3 0-0 6. 0-0 Nbd7 7. Re1 e5 8. c3 Re8 9. Bg5 h6 10. Bh4 c6 11. Nbd2 Qc7 12. Bg3 Nh5 13. Bh2 Nf4 14. Bxf4 exf4 15. a4 a5 16. Nf1 Nf8 17. Qd2 g5 18. Rad1 Bd7 19. Bc2 Rad8 20. Qd3 Bc8 21. N1d2 Re7 22. b4 Rde8 23. bxa5 Qxa5 24. Nc4 Qc7 25. a5 Bd7 26. Nb6 Rb8 27. Rb1 Bc8 28. Rb2 Re8 29. Reb1 Rd8 30. a6 bxa6 31. Nd5 1-0

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.11.29"]
[Round "2"]
[White "Castro Madrigal, Randall"]
[Black "Gonzalez Acosta, Jaime Roy"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2126"]
[BlackElo "2070"]
[PlyCount "37"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. d3 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Rb1 Nd4 10. b4 b6 11. b5 Bb7 12. Nxd4 exd4 13. Nd5 Qd7 14. Bg5 Nxd5 15. exd5 h6 16. Bf4 a6 17. Qc2 Kh7 18. a4 axb5 19. axb5 1/2-1/2

[Event "San Jose Goicoechea 2nd"]
[Site "San Jose"]
[Date "2014.11.28"]
[Round "1"]
[White "Castro Madrigal, Randall"]
[Black "Jimenez, Alonso"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2126"]
[BlackElo "2151"]
[PlyCount "53"]
[EventDate "2014.11.28"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CRI"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bg4 5. Ne5 Bh5 6. g3 e6 7. Bg2 Bd6 8. 0-0 Qc7 9. d4 0-0 10. Nd2 Nbd7 11. Ndf3 Rfd8 12. cxd5 cxd5 13. Rc1 Qb6 14. e3 Rac8 15. Nxd7 Nxd7 16. Qd3 Qa5 17. a4 Bg6 18. Qd2 Bb4 19. Qe2 h6 20. Nh4 Bh7 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Bxc1 Qc7 24. Bb2 Qc2 25. Qb5 Bd3 26. Be4 Qd1+ 27. Kg2 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.17"]
[Round "7"]
[White "Castro Madrigal, Randall"]
[Black "Fernandez Sanchez, Mario Andres"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2135"]
[BlackElo "1973"]
[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. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. d3 d5 8. 0-0 dxc4 9. dxc4 0-0 10. Be3 b6 11. Qc1 Ba6 12. Rd1 Qc7 13. b3 Rad8 14. Bf4 Qc8 15. Bh6 Rxd1+ 16. Nxd1 Rd8 17. Bxg7 Kxg7 18. Ne3 Nd4 19. Qb2 Nec6 20. a3 Kg8 21. Ng4 h5 22. Ne3 Rd7 23. Nf4 Na5 24. g4 Naxb3 25. Rd1 Qc7 26. Nd3 Na5 27. f4 Nxc4 28. Nxc4 Bxc4 29. gxh5 Bxd3 30. Rxd3 Qxf4 31. hxg6 fxg6 32. Rg3 Kg7 33. Bf1 e5 34. Qg2 Qf6 35. Qh3 Rf7 36. Qg2 Nf3+ 37. Kh1 Nh4 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 "2009.02.16"]
[Round "9"]
[White "Castro Madrigal, Randall"]
[Black "Munoz, Carolina"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2135"]
[BlackElo "2026"]
[PlyCount "20"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Be3 h6 10. Qd2 Kh7 1/2-1/2

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "5"]
[White "Castro Madrigal, Randall"]
[Black "Machado Ramirez, Allan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2135"]
[BlackElo "1996"]
[PlyCount "84"]
[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. f4 Nf6 2. Nf3 g6 3. e3 Bg7 4. d4 0-0 5. Bd3 c5 6. c3 cxd4 7. exd4 d5 8. 0-0 b6 9. Qe2 e6 10. Nbd2 a5 11. Ne5 Ba6 12. g4 Bxd3 13. Qxd3 Qc7 14. Ndf3 Ne4 15. g5 Nc6 16. Be3 Ne7 17. Rac1 Nf5 18. Rc2 b5 19. Nd2 Ned6 20. Ng4 h5 21. Ne5 a4 22. Bf2 Rfc8 23. a3 Nc4 24. Ndf3 Ncd6 25. Qe2 Rab8 26. Kh1 Ne4 27. Nh4 Nxh4 28. Bxh4 b4 29. c4 bxa3 30. bxa3 Rb3 31. Rfc1 Qb7 32. c5 Rxa3 33. c6 Qa7 34. Qb5 Rb3 35. Qe2 Qxd4 36. Qa6 Nd6 37. Nd7 Qe4+ 38. Rg2 Rb1 39. Qf1 Rxc1 40. Qxc1 Nc4 41. Nf6+ Bxf6 42. gxf6 Ne3 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.08"]
[Round "6"]
[White "Solis L, Efren A"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2128"]
[BlackElo "2135"]
[PlyCount "103"]
[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. d3 Bg7 5. c3 d6 6. h3 e5 7. g4 h5 8. g5 Nge7 9. Bg2 Be6 10. 0-0 Qd7 11. Kh2 d5 12. Be3 d4 13. cxd4 cxd4 14. Bd2 exf4 15. Bxf4 0-0 16. a3 a5 17. b3 a4 18. b4 Na7 19. Nbd2 Nb5 20. Nc4 Nc3 21. Qd2 Ra6 22. Nce5 Qd8 23. Nh4 Kh7 24. Rf2 Nc6 25. Nef3 Qe7 26. Ne1 Rc8 27. Nhf3 Bb3 28. h4 Nd8 29. Bh3 Ne6 30. Bg3 Nb5 31. Ne5 Rf8 32. N1f3 Raa8 33. Qe2 Rac8 34. Qb2 Rc3 35. Raf1 Kg8 36. Ne1 Nxg5 37. Nd7 Nxh3 38. Nf6+ Bxf6 39. Rxf6 Be6 40. Qd2 Kh7 41. Kh1 Rxa3 42. Nf3 Ra2 43. Ng5+ Nxg5 44. Qxg5 Nd6 45. Bf4 Nf5 46. Be5 Nh6 47. Rg1 Bg4 48. Rgf1 Ng8 49. Bd6 Qd7 50. Bxf8 Be6 51. Qe5 Nh6 52. Rxf7+ 1-0

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.07"]
[Round "4"]
[White "Urbina Quiroz, Edwin"]
[Black "Castro Madrigal, Randall"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2080"]
[BlackElo "2135"]
[PlyCount "108"]
[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 d6 2. Nf3 g6 3. d4 Bg7 4. h3 c6 5. c3 Nd7 6. Be3 Ngf6 7. Nbd2 b5 8. a4 bxa4 9. Qxa4 Qc7 10. Qa5 Nb6 11. c4 Qd8 12. Ra3 Bb7 13. Rb3 Qc8 14. e5 Nfd7 15. exd6 exd6 16. Bf4 0-0 17. Bxd6 Re8+ 18. Re3 Bh6 19. Rxe8+ Qxe8+ 20. Kd1 Qe6 21. Bb4 Re8 22. Bd3 Qf6 23. Qxa7 c5 24. Qxb7 cxb4 25. Re1 Rb8 26. Qe4 Na4 27. Qe7 Nxb2+ 28. Kc2 Nxd3 29. Kxd3 Qf5+ 30. Qe4 Qa5 31. Rb1 b3 32. Rxb3 Rxb3+ 33. Nxb3 Qa2 34. Kc3 Qxf2 35. c5 Nf6 36. Qc2 Qe3+ 37. Kb2 Nd5 38. c6 Bf4 39. Nfd2 Nb4 40. Qc4 Nd3+ 41. Ka2 Bc7 42. Qb5 Nc1+ 43. Kb1 Ne2 44. Qb7 Qd3+ 45. Kb2 Qc3+ 46. Ka2 Qc2+ 47. Ka3 Bd6+ 48. Ka4 Nc3+ 49. Ka5 Qa2+ 50. Kb6 Nd5+ 51. Kb5 Nc7+ 52. Kb6 Qa4 53. Qb8+ Kg7 54. Qxc7 Qb4+ 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.02.02"]
[Round "2"]
[White "Arce Oviedo, Cesar"]
[Black "Castro Madrigal, Randall"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2135"]
[PlyCount "82"]
[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. Bf4 c6 3. Nf3 Nf6 4. Nbd2 Bg4 5. e3 Nbd7 6. h3 Bh5 7. Be2 e6 8. Ne5 Bxe2 9. Qxe2 Be7 10. Rc1 Qa5 11. a3 0-0 12. 0-0 Qb6 13. Nb3 a5 14. Rb1 Nxe5 15. dxe5 Ne4 16. Rfd1 Rfd8 17. Qg4 Rd7 18. Nd4 c5 19. Ne2 f5 20. exf6 Nxf6 21. Qg3 Rf8 22. Be5 Nh5 23. Qg4 Rf5 24. f4 Nf6 25. Qf3 Ne4 26. Ng3 Nxg3 27. Qxg3 Rf7 28. c3 Bf6 29. Bxf6 Rxf6 30. c4 d4 31. e4 Qc6 32. Qf3 Rdf7 33. g3 g5 34. Rf1 gxf4 35. gxf4 Qc7 36. Qh5 Rxf4 37. e5 Rxf1+ 38. Rxf1 Rxf1+ 39. Kxf1 Qf7+ 40. Qxf7+ Kxf7 41. Ke2 Kg6 0-1

[Event "CRI-ch Phase 1.1"]
[Site "San Jose"]
[Date "2009.01.31"]
[Round "1"]
[White "Castro Madrigal, Randall"]
[Black "Trejos, Shirley"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2135"]
[BlackElo "1986"]
[PlyCount "76"]
[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. c4 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Na6 6. Nge2 Nh6 7. d3 Rb8 8. 0-0 0-0 9. h3 Nc7 10. Be3 f5 11. Qd2 Nf7 12. d4 cxd4 13. Nxd4 Ne5 14. b3 fxe4 15. Nxe4 Ne6 16. Nxe6 Bxe6 17. Ng5 Bd7 18. f4 Nf7 19. Bd5 Bxa1 20. Rxa1 e6 21. Bxe6 Bxe6 22. Nxe6 Qf6 23. Nd4 Rbe8 24. Nc2 a6 25. Kh2 Re4 26. Bd4 Qe6 27. Ne3 Nh6 28. Re1 Re8 29. f5 Nxf5 30. Nxf5 Rxe1 31. Nh6+ Kf8 32. Qf4+ Ke7 33. c5 Re2+ 34. Bf2 Rf8 35. Qh4+ Kd7 36. Qa4+ Kc8 37. Ng4 Rfxf2+ 38. Nxf2 Rxf2+ 0-1

[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 "Alajuela op 2nd"]
[Site "Alajuela"]
[Date "2006.07.13"]
[Round "3"]
[White "Castro Madrigal, Randall"]
[Black "Mitkov, Nikola"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2175"]
[BlackElo "2563"]
[PlyCount "112"]
[EventDate "2006.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 a6 5. e3 Nge7 6. Nge2 d6 7. 0-0 0-0 8. h3 Bd7 9. d3 Be6 10. Nd5 Qd7 11. Kh2 Nd8 12. f4 f6 13. e4 c6 14. Nxe7+ Qxe7 15. f5 Bf7 16. Nc3 b5 17. Qe2 Nb7 18. b3 Bd4 19. Bb2 Rfd8 20. Nd1 Bxb2 21. Nxb2 Rab8 22. Nd1 d5 23. cxd5 cxd5 24. Rc1 d4 25. Nf2 Rdc8 26. Rc2 Rc5 27. Rfc1 Rbc8 28. b4 R5c7 29. Qd2 Kf8 30. g4 Ke8 31. Nh1 Kd8 32. a3 a5 33. Rxc7 Rxc7 34. Rxc7 Qxc7 35. bxa5 Qxa5 36. Qxa5+ Nxa5 37. Bf3 Bb3 38. Nf2 Kc7 39. Bd1 Bf7 40. Bc2 Kb6 41. Kg3 h6 42. Kf3 Nb3 43. Nd1 Na1 44. Bb1 Ka5 45. Nb2 b4 46. axb4+ Kxb4 47. Ke2 Ka3 48. Nd1 Bb3 49. Nf2 Kb2 50. h4 Bf7 51. g5 Bh5+ 52. Kd2 Nb3+ 53. Ke1 Kxb1 54. gxf6 gxf6 55. Nh1 Kc2 56. Ng3 Bg4 0-1

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.18"]
[Round "13"]
[White "Castro Madrigal, Randall"]
[Black "Hernandez Basante, Francisco"]
[Result "1/2-1/2"]
[ECO "D15"]
[BlackElo "2265"]
[PlyCount "20"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. e3 Nc6 5. d4 Nf6 6. Nf3 a6 7. h3 Bf5 8. a3 e6 9. Bd3 Bxd3 10. Qxd3 Bd6 1/2-1/2

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.17"]
[Round "12"]
[White "Granados, Carlos"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2225"]
[PlyCount "55"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 Be7 7. e3 0-0 8. Bd3 h6 9. Bh4 Bg4 10. h3 Bh5 11. g4 Bg6 12. Bxf6 Bxf6 13. Bxg6 fxg6 14. Qb3 c6 15. Qxb7 Rf7 16. Qxa8 Qb6 17. Nxd5 Qa5+ 18. Nd2 Rf8 19. Nxf6+ gxf6 20. Qb7 Qd8 21. 0-0-0 Rf7 22. Qb3 Kg7 23. h4 Qc8 24. h5 c5 25. Qc2 f5 26. hxg6 Rc7 27. d5 fxg4 28. Nc4 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.12"]
[Round "11"]
[White "Castro Madrigal, Randall"]
[Black "Murillo Tsijli, Alexis"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "2362"]
[PlyCount "92"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e4 Bxc3 6. bxc3 d6 7. d3 0-0 8. h3 Nd7 9. g4 Re8 10. Be3 Nf8 11. Qd2 Ng6 12. Ne2 Nh4 13. 0-0 Nxg2 14. Kxg2 f6 15. Ng3 Ne7 16. Nh5 Ng6 17. Kg3 c6 18. f4 exf4+ 19. Nxf4 Nxf4 20. Rxf4 d5 21. cxd5 cxd5 22. exd5 Qd6 23. Kf2 g5 24. Rf3 Qh2+ 25. Kf1 Qh1+ 26. Kf2 Qxa1 27. Bxg5 Qh1 28. Bf4 Bd7 29. Bd6 Ba4 30. Rxf6 Qxd5 31. Qf4 Bc6 32. Kg3 Rad8 33. c4 Qxd3+ 34. Kh4 Rxd6 35. Rxd6 Qe3 36. Qxe3 Rxe3 37. Rd4 a5 38. Rd8+ Kg7 39. Rd4 a4 40. g5 Re4+ 41. Rxe4 Bxe4 42. Kg4 Kg6 43. h4 Bf5+ 44. Kf4 Bd7 45. c5 Kh5 46. Kg3 a3 0-1

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.11"]
[Round "10"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2405"]
[PlyCount "55"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. h3 0-0 6. 0-0 c5 7. c3 b6 8. Re1 e6 9. e5 dxe5 10. dxe5 Nd5 11. Be4 c4 12. Na3 Ba6 13. Bg5 Qd7 14. Qd2 b5 15. Bxd5 exd5 16. Rad1 Bb7 17. Nc2 Na6 18. Ne3 Nc7 19. Ng4 Kh8 20. Bh6 Rg8 21. Nf6 Bxf6 22. exf6 Ne6 23. Rxe6 Qxe6 24. Qd4 Rge8 25. Ng5 Qb6 26. Bg7+ Kg8 27. Qh4 h5 28. Nf3 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.10"]
[Round "9"]
[White "Leandro Perez, Jhonny"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2133"]
[PlyCount "63"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 g6 4. g4 c6 5. a4 Bg7 6. Be3 Qb6 7. Qc1 h5 8. g5 Nfd7 9. c3 c5 10. d5 0-0 11. Na3 a6 12. f4 Qc7 13. Nf3 e6 14. dxe6 fxe6 15. Nh4 Kh7 16. Qd1 Re8 17. Be2 Qc6 18. Bxh5 Nf8 19. Bxg6+ Nxg6 20. Qh5+ Kg8 21. Qxg6 b5 22. 0-0-0 Bd7 23. Rhe1 Re7 24. Qh5 Qxe4 25. Ng6 Rf7 26. Bxc5 Qxa4 27. f5 dxc5 28. fxe6 Qb3 29. exf7+ Kxf7 30. Qh7 Be6 31. Rf1+ Ke8 32. Qxg7 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.09"]
[Round "8"]
[White "Castro Madrigal, Randall"]
[Black "Minero Pineda, Sergio"]
[Result "1-0"]
[ECO "A24"]
[BlackElo "2440"]
[PlyCount "109"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. d3 e5 7. Nge2 c6 8. 0-0 a6 9. h3 b5 10. b4 Be6 11. c5 a5 12. bxa5 dxc5 13. Be3 Nfd7 14. f4 f6 15. f5 Bf7 16. fxg6 hxg6 17. Qc2 Qxa5 18. Nc1 c4 19. dxc4 Bxc4 20. Rd1 Qa3 21. h4 b4 22. Bh3 f5 23. exf5 Qxc3 24. Qxc3 bxc3 25. fxg6 c2 26. Rd2 e4 27. Rxc2 Bxa1 28. Rxc4 Ne5 29. Rxe4 Nxg6 30. Be6+ Kh7 31. h5 Ne5 32. g4 Ra5 33. Bf5+ Kh8 34. Nb3 Rxa2 35. Nxa1 Rxa1+ 36. Kg2 Ra2+ 37. Kg3 Nf7 38. Bd4+ Kg8 39. Re6 Ra3+ 40. Kh4 Nh8 41. Re7 Rxf5 42. gxf5 Ra4 43. Re4 Kf7 44. Rg4 Nd7 45. Bxh8 Ra2 46. Kg5 c5 47. h6 Nf8 48. Be5 Re2 49. Kf4 Rh2 50. Rg7+ Ke8 51. Bf6 Rf2+ 52. Kg4 Nd7 53. Re7+ Kd8 54. Bh4 Rh2 55. Re2+ 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.08"]
[Round "7"]
[White "Bermudez Vives, Sergio"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2223"]
[PlyCount "109"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. dxe5 Nd5 9. Nxd5 Qxd5 10. Qe2 Be6 11. c3 Rad8 12. Bc2 Qc4 13. Qf2 Bd5 14. Be3 a5 15. Nd2 Qa6 16. Ne4 Bxe4 17. Bxe4 f6 18. exf6 exf6 19. Qf3 Ne7 20. Qe2 Qe6 21. Bc2 Rfe8 22. Bb3 Nd5 23. Kf2 Kh8 24. Rhe1 Qf5 25. g4 Qe4 26. Bxd5 Qxd5 27. Red1 Qe4 28. Rxd8 Rxd8 29. Rd1 Rxd1 30. Qxd1 Qe7 31. Qd5 b6 32. Bd4 c5 33. Be3 Bf8 34. f5 Qd6 35. Qxd6 Bxd6 36. h3 Kg7 37. Kf3 Kf7 38. Ke4 Ke7 39. Kd5 Kd7 40. fxg6 hxg6 41. h4 Bf8 42. a4 Bg7 43. Bf4 Bf8 44. h5 gxh5 45. gxh5 Bg7 46. Bh2 Bh8 47. Bg3 Bg7 48. Bf4 Bh8 49. Bh6 Kc7 50. Ke6 Kc6 51. c4 Kc7 52. b3 Kc6 53. Bf4 Kb7 54. Bd6 Kc6 55. Be7 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.08"]
[Round "5"]
[White "Ugalde Garcia, Ronald"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2174"]
[PlyCount "55"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 c6 6. h3 0-0 7. Be2 Nbd7 8. 0-0 e5 9. Be3 a6 10. dxe5 dxe5 11. c5 Qc7 12. Bc4 Rd8 13. Bxf7+ Kh8 14. Qb3 Nf8 15. Rad1 Bd7 16. Bc4 h6 17. Rd6 g5 18. Nxe5 Ne8 19. Nf7+ Kh7 20. e5 Nxd6 21. exd6 Qc8 22. Bd3+ Bf5 23. Qc2 Bxd3 24. Qxd3+ Kg8 25. Nxd8 Qxd8 26. Bd4 Nd7 27. Bxg7 Kxg7 28. Re1 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.07"]
[Round "6"]
[White "Castro Madrigal, Randall"]
[Black "Ruiz Blais, Sebastian"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "104"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 Nf6 7. Nge2 0-0 8. h3 Nd7 9. 0-0 Nc5 10. Rb1 a5 11. Be3 Ne6 12. f4 Ned4 13. Qd2 f5 14. fxe5 dxe5 15. Nd5 Nxe2+ 16. Qxe2 Nd4 17. Bxd4 exd4 18. exf5 Re8 19. Qf3 Bxf5 20. g4 Be6 21. Nf6+ Qxf6 22. Qxf6 Bxf6 23. Rxf6 Kg7 24. Rbf1 c6 25. R1f4 Rad8 26. Kf2 Rd7 27. Kg3 Bf5 28. gxf5 Kxf6 29. fxg6+ Kxg6 30. Be4+ Kg7 31. Rh4 Kg8 32. Kf3 Rf7+ 33. Ke2 Re5 34. Rg4+ Kf8 35. Rg2 Ke7 36. Kd2 Kd6 37. Kc2 Rh5 38. Rg8 Rxh3 39. Rd8+ Kc5 40. Ra8 Rh2+ 41. Kb3 Rff2 42. Rxa5+ Kb6 43. Ka4 Rxb2 44. c5+ Kc7 45. a3 Kb8 46. Bf5 h5 47. Be6 Rh1 48. Bc4 h4 49. Ba6 h3 50. Bxb7 Kxb7 51. Rb5+ cxb5+ 52. Ka5 Ra1 0-1

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.06"]
[Round "4"]
[White "Castro Madrigal, Randall"]
[Black "Alfaro Murillo, Carlos Andres"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "1931"]
[PlyCount "98"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e6 2. f4 c5 3. Nc3 Nc6 4. g3 d6 5. Bg2 g6 6. d3 Bg7 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 Nd4 10. e5 dxe5 11. Nxe5 Rb8 12. Ne4 b6 13. c3 Ndc6 14. Nxc6 Nxc6 15. Qe2 Qc7 16. Bf2 Ba6 17. g4 Rbd8 18. Rad1 Ne7 19. Bh4 Kh8 20. f5 exf5 21. gxf5 Nxf5 22. Rxf5 gxf5 23. Bxd8 Qxd8 24. Ng3 Qg5 25. Rf1 f4 26. Ne4 Qe5 27. Qd2 f5 28. Nf2 Qe3 29. Qd1 Rd8 30. Re1 Rxd3 31. Rxe3 Rxd1+ 32. Nxd1 fxe3 33. Nxe3 f4 34. Nd5 Be5 35. h3 Kg7 36. Kf2 Bc4 37. a4 Kf7 38. Be4 Ke6 39. Nxb6 axb6 40. Bxh7 Kf6 41. Bc2 Kg5 42. Be4 Be6 43. b4 Bxc3 44. a5 bxa5 45. b5 Bxh3 46. b6 a4 47. b7 Be5 48. Bd5 a3 49. Ke2 Bg2 0-1

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.05"]
[Round "3"]
[White "Valdes Romero, Leonardo"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2362"]
[PlyCount "99"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. 0-0 c6 5. d3 Nbd7 6. Nbd2 e6 7. h3 Bh5 8. Qe1 Bd6 9. e4 Qc7 10. b3 0-0 11. Bb2 e5 12. Nh4 Bg6 13. Nxg6 hxg6 14. Qe2 Rfe8 15. a4 a5 16. Nf3 Nc5 17. Ng5 d4 18. Bc1 Nh5 19. h4 Re7 20. Bf3 Nf6 21. Kg2 Nh7 22. Nxh7 Kxh7 23. h5 Rh8 24. hxg6+ Kxg6 25. Bg4 Ne6 26. Bf5+ Kf6 27. Qf3 g6 28. Bxe6+ Kxe6 29. Qg4+ f5 30. Qxg6+ Kd7 31. Qxf5+ Ke8 32. Bg5 Rf7 33. Qe6+ Be7 34. Bxe7 Rxe7 35. Qg6+ Kd8 36. Rh1 Rf8 37. Rh5 Ref7 38. Rf1 Rg7 39. Qe6 Re7 40. Qh3 Ref7 41. Rh8 Qd6 42. Rxf8+ Rxf8 43. Qh7 Kc8 44. Qg7 Re8 45. Rh1 Re7 46. Rh8+ Kc7 47. Qf8 Kb6 48. Rh7 Rd7 49. Qxd6 Rxd6 50. Re7 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.03"]
[Round "2"]
[White "Castro Madrigal, Randall"]
[Black "Arias Santana, Mauricio"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "2238"]
[PlyCount "146"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Qb3 Nb6 5. e3 e5 6. Nf3 Bd6 7. Be2 0-0 8. d4 Nc6 9. 0-0 exd4 10. exd4 Bg4 11. Be3 Qd7 12. a3 Rfe8 13. Qc2 Bf5 14. Bd3 Bxd3 15. Qxd3 Ne7 16. Ne4 Rad8 17. Nxd6 Qxd6 18. Ng5 Qg6 19. Qxg6 hxg6 20. Rac1 Ned5 21. Nf3 Nd7 22. Bg5 f6 23. Bd2 Nf8 24. Rfe1 Rxe1+ 25. Rxe1 Kf7 26. Kf1 Ne6 27. g3 g5 28. h3 Ne7 29. Bc3 Nf5 30. Re4 Rd5 31. Ke2 Nd6 32. Re3 c6 33. Rd3 Nf5 34. Kd2 a5 35. a4 Ke8 36. Kc2 Kd7 37. Rd1 b6 38. Rd2 Kc7 39. Rd1 Rd8 40. Rd2 Rh8 41. Ng1 Kd6 42. Kd3 Kd5 43. Re2 Nfxd4 44. Bxd4 Nxd4 45. Re7 Ne6 46. Rd7+ Kc5 47. Kc3 Rd8 48. Re7 Kd6 49. Ra7 Nc5 50. Rxg7 Nxa4+ 51. Kc2 Re8 52. Rg6 Ke7 53. Rh6 Kf7 54. h4 gxh4 55. Rxh4 Nc5 56. Rh7+ Kg6 57. Rc7 Na6 58. Rb7 Nb4+ 59. Kc3 Rd8 60. Nh3 Rd3+ 61. Kc4 b5+ 62. Kc5 Rd2 63. b3 Rc2+ 64. Kd6 Kf5 65. f3 Rd2+ 66. Ke7 Rh2 67. g4+ Ke5 68. f4+ Kd4 69. g5 Rxh3 70. g6 Nd5+ 71. Kf8 Nxf4 72. g7 Ne6+ 73. Ke7 Nxg7 0-1

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2005.07.02"]
[Round "1"]
[White "Arias Formoso, Rodolfo"]
[Black "Castro Madrigal, Randall"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2173"]
[PlyCount "53"]
[EventDate "2005.07.02"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 c5 7. c3 Qb6 8. Qb3 Be6 9. Qxb6 axb6 10. a3 Bd7 11. 0-0 Nc6 12. Nbd2 Nd5 13. Bh2 Rad8 14. Rad1 Bh6 15. Nc4 b5 16. dxc5 bxc4 17. Rxd5 Be6 18. Rd2 dxc5 19. Rfd1 Rxd2 20. Nxd2 Rd8 21. Bc7 Rc8 22. Bb6 Ne5 23. a4 Nd7 24. a5 Nxb6 25. axb6 Rc6 26. Nxc4 Bxc4 27. Bxc4 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.25"]
[Round "9"]
[White "Castro Madrigal, Randall"]
[Black "Ruiz, Sebastian"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2016"]
[BlackElo "2110"]
[PlyCount "22"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. e4 0-0 7. Nge2 d6 8. 0-0 e5 9. h3 Be6 10. Be3 Qd7 11. Kh2 Nd4 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.22"]
[Round "8"]
[White "Ugalde Garcia, Ronald"]
[Black "Castro Madrigal, Randall"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2157"]
[BlackElo "2016"]
[PlyCount "118"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. g3 c6 6. Bg2 Nbd7 7. e4 e5 8. 0-0 0-0 9. dxe5 dxe5 10. Qd6 Ne8 11. Qd3 Qe7 12. b3 Nc7 13. a4 Rd8 14. Ba3 Qe8 15. Rad1 Ne6 16. Ne2 Ndc5 17. Qe3 b6 18. Bb2 f6 19. Nh4 Bf8 20. Kh1 Bb7 21. Ba3 Rxd1 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. Ng1 Qd3 25. Bc1 Qxe3 26. Bxe3 Nxb3 27. f4 exf4 28. gxf4 Bh6 29. Ne2 c5 30. Kg1 Nbd4 31. Bxd4 Nxd4 32. Nxd4 cxd4 33. e5 Bxg2 34. Nxg2 fxe5 35. fxe5 Kf7 36. Ne1 Ke6 37. Nf3 d3 38. Kf2 a5 39. h3 Bf4 40. Ke1 h6 41. Kd1 g5 42. Ne1 Kxe5 43. Nxd3+ Kd4 44. Ke2 Kxc4 45. Nf2 Kb4 46. Ng4 h5 47. Nf6 Kxa4 48. Nxh5 Be5 49. Kd3 b5 50. Ke4 b4 51. Kxe5 b3 52. Ng3 b2 53. Ne4 Kb3 54. Nd2+ Kc2 55. Nc4 b1Q 56. Na3+ Kb2 57. Nxb1 Kxb1 58. Kf5 a4 59. Kxg5 a3 0-1

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.21"]
[Round "7"]
[White "Castro Madrigal, Randall"]
[Black "Granados, Carlos"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2016"]
[BlackElo "2202"]
[PlyCount "42"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nd5 d6 7. Ne2 0-0 8. 0-0 a6 9. h3 Rb8 10. f4 Bd7 11. d3 Ne8 12. f5 Nc7 13. Rb1 b5 14. cxb5 axb5 15. b3 Ne5 16. Ne3 b4 17. Nc2 Ra8 18. Ne1 Na6 19. Qc2 Nb8 20. g4 Nbc6 21. Ng3 Ra6 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.20"]
[Round "6"]
[White "Gonzalez Acosta, Jaime Roy"]
[Black "Castro Madrigal, Randall"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2099"]
[BlackElo "2016"]
[PlyCount "50"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b3 g6 2. Bb2 Nf6 3. f4 Bg7 4. Nf3 d6 5. g3 e5 6. e3 exf4 7. gxf4 Bg4 8. Qe2 0-0 9. Nc3 c6 10. 0-0-0 b5 11. Qg2 a5 12. h3 Bh5 13. a4 bxa4 14. Nxa4 Nbd7 15. Be2 Nb6 16. Nd4 Bxe2 17. Qxe2 Nxa4 18. bxa4 Qb6 19. Qc4 Rab8 20. Qa2 Nd5 21. c3 Bxd4 22. cxd4 Nb4 23. Qa1 Nd3+ 24. Kc2 Qb3+ 25. Kb1 Nxb2 0-1

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.16"]
[Round "5"]
[White "Castro Madrigal, Randall"]
[Black "Centeno, Erick"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2016"]
[BlackElo "2072"]
[PlyCount "69"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 f5 2. e4 d6 3. d3 Nf6 4. Nc3 g6 5. g3 Bg7 6. Bg2 Nc6 7. Nge2 0-0 8. 0-0 e5 9. Nd5 Nh5 10. Rb1 h6 11. f4 exf4 12. Nexf4 Nxf4 13. Nxf4 Kh7 14. Be3 Nd4 15. Qd2 c6 16. Rf2 Ne6 17. Nxg6 Kxg6 18. exf5+ Kh7 19. fxe6 Bxe6 20. Be4+ Kg8 21. Rxf8+ Qxf8 22. Rf1 Qe7 23. Bxh6 Bd4+ 24. Kh1 Bxc4 25. Bg5 Qe8 26. Re1 Be6 27. Qb4 Bb6 28. Qxd6 Qf7 29. Bg2 Re8 30. Qf4 Qg6 31. Be4 Bh3 32. Qf6 Qh5 33. Bd2 Bg4 34. Bc3 Re7 35. Rf1 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.15"]
[Round "4"]
[White "Castro Madrigal, Randall"]
[Black "Minero Pineda, Carlos"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2016"]
[BlackElo "2082"]
[PlyCount "118"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. d3 f5 7. Nge2 Nf6 8. 0-0 0-0 9. Nd5 Be6 10. Bg5 Qd7 11. Qd2 fxe4 12. dxe4 Nh5 13. Be3 Ne7 14. Nec3 Nxd5 15. cxd5 Bg4 16. f3 Bh3 17. Qe2 Bxg2 18. Kxg2 a6 19. a4 h6 20. b4 b6 21. Rac1 Rf7 22. b5 a5 23. Nb1 Raf8 24. Nd2 g5 25. h3 Bf6 26. Rc6 Bd8 27. Nc4 Rg7 28. Kh2 Rgf7 29. Bxb6 Nf6 30. Bxa5 g4 31. hxg4 Nxg4+ 32. Kg2 Qe7 33. Ne3 Nxe3+ 34. Qxe3 Rg7 35. Be1 Rf4 36. Rg1 Qd7 37. Kh2 Qe8 38. g4 Qf7 39. Rc3 Bg5 40. Qe2 h5 41. Rg2 hxg4 42. fxg4 Rf1 43. Rf2 Bf4+ 44. Kg2 Rxf2+ 45. Bxf2 Rh7 46. Rh3 Rxh3 47. Kxh3 Qh7+ 48. Bh4 Bg5 49. Qe1 Kf7 50. a5 Bxh4 51. Qxh4 Qxe4 52. Qh5+ Ke7 53. Qg5+ Ke8 54. Qg8+ Ke7 55. Qe6+ Kd8 56. Qg8+ Ke7 57. Kh4 Qe1+ 58. Kg5 Qxa5 59. Qe6+ Kd8 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.13"]
[Round "3"]
[White "Jimenez Molina, Juan Leon"]
[Black "Castro Madrigal, Randall"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2207"]
[BlackElo "2016"]
[PlyCount "20"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. 0-0 0-0 5. b3 b6 6. Bb2 Bb7 7. d4 d5 8. Nc3 Nc6 9. Re1 Re8 10. e3 e6 1/2-1/2

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.12"]
[Round "2"]
[White "Castro Madrigal, Randall"]
[Black "Gutierrez Herrera, Fernando"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2016"]
[BlackElo "2008"]
[PlyCount "99"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. e4 d6 6. Nge2 Nc6 7. 0-0 Bg4 8. h3 Be6 9. d3 Qd7 10. Kh2 h6 11. f4 Qe7 12. f5 Bd7 13. g4 Bc5 14. g5 hxg5 15. Ng3 Nh7 16. Nd5 Qd8 17. Bf3 f6 18. Bh5 Ne7 19. Bg6 g4 20. Nxe7+ Qxe7 21. Qxg4 Rfd8 22. Qh5 Nf8 23. Rf3 c6 24. Be3 Be8 25. Rg1 d5 26. Bxe8 Bxe3 27. Rxe3 Qxe8 28. Qg4 Qe7 29. Nh5 Rd7 30. Nxg7 Qxg7 31. Qd1 Qxg1+ 32. Qxg1+ Rg7 33. Rg3 Rxg3 34. Qxg3+ Kf7 35. cxd5 cxd5 36. h4 dxe4 37. dxe4 Rd8 38. Qb3+ Kg7 39. Qxb7+ Rd7 40. Qb4 Rd4 41. Qe7+ Kg8 42. Qxf6 Rxe4 43. Qg5+ Kf7 44. Kg3 Re1 45. Kf2 Rb1 46. Qd2 Kg7 47. Qc3 Kf6 48. Qc6+ Ke7 49. Qc5+ Kf7 50. Qxe5 1-0

[Event "CRI-ch qual"]
[Site "San Jose"]
[Date "2005.06.11"]
[Round "1"]
[White "Bermudez Vives, Sergio"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2127"]
[BlackElo "2016"]
[PlyCount "67"]
[EventDate "2005.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Qc7 6. Nc3 a6 7. Be2 Nf6 8. 0-0 Be7 9. Be3 b5 10. f4 d6 11. Bd3 Bb7 12. a3 Nbd7 13. Qe2 0-0 14. Rad1 Rfe8 15. g4 Nc5 16. g5 Nfxe4 17. Nxe4 Nxe4 18. Bd4 Nc5 19. Bxh7+ Kxh7 20. Qh5+ Kg8 21. Nxc5 dxc5 22. Bxg7 Kxg7 23. Qh6+ Kg8 24. g6 Bf6 25. Qh7+ Kf8 26. f5 e5 27. Rd6 Qe7 28. g7+ Bxg7 29. f6 Bxf6 30. Rdxf6 Qxf6 31. Rxf6 Bd5 32. Rh6 e4 33. Qh8+ Ke7 34. Qf6+ 1-0

[Event "CRI-ch 68th"]
[Site "San Jose"]
[Date "2004.05.18"]
[Round "1"]
[White "Castro Madrigal, Randall"]
[Black "Leandro Perez, Jhonny"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2002"]
[BlackElo "2106"]
[PlyCount "85"]
[EventDate "2004.05.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. d4 g6 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Nf3 0-0 9. Be2 Qa5 10. 0-0 Na6 11. Qb3 b6 12. Rac1 cxd4 13. cxd4 Bb7 14. Rfe1 Qb4 15. Bxa6 Qxb3 16. axb3 Bxa6 17. Rc7 Rfc8 18. Rec1 Kf8 19. b4 Ke8 20. d5 h6 21. Nd4 Bxd4 22. Bxd4 Rxc7 23. Rxc7 Rc8 24. Rxc8+ Bxc8 25. Kf1 Ba6+ 26. Ke1 Bd3 27. f3 f5 28. e5 Bc4 29. d6 exd6 30. exd6 Kd7 31. Be5 Ke6 32. Kd2 Bb5 33. Bg7 Kxd6 34. Bxh6 Kd5 35. Ke3 Bf1 36. g4 Kc4 37. Bf8 fxg4 38. fxg4 Bh3 39. Kf4 a5 40. bxa5 bxa5 41. Kg5 a4 42. Kxg6 Bxg4 43. h4 1/2-1/2

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "9"]
[White "Castro Madrigal, Randall"]
[Black "Bermudez Vives, Sergio"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "2220"]
[PlyCount "46"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. d4 Nxd5 6. Bc4 Nc6 7. Nf3 Bg4 8. 0-0 Be7 9. Nc3 Nxc3 10. bxc3 0-0 11. Bf4 Bd6 12. Bg5 Bxf3 13. Bxd8 Bxd1 14. Bxc7 Bxc7 15. Raxd1 Rac8 16. d5 Ne5 17. Bb3 Bd6 18. f4 Bc5+ 19. Kh1 Ng4 20. Rd2 Rfe8 21. d6 Rcd8 22. h3 Ne3 23. Rf3 Rxd6 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "13"]
[White "Castro Madrigal, Randall"]
[Black "Hernandez, Francisco"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 Rb8 7. Nf3 b5 8. 0-0 b4 9. Nd5 e6 10. Ne3 Nge7 11. f5 exf5 12. exf5 Bxf5 13. Nxf5 Nxf5 14. Ng5 Ne5 15. Bd5 Qd7 16. Nxf7 Nxf7 17. g4 N5h6 18. Bxh6 Nxh6 19. Qf3 Qxg4+ 20. Qxg4 Nxg4 21. Rf7 Be5 22. Rxa7 Nf6 23. Bc6+ Kf8 24. a3 Bxb2 25. Re1 Be5 26. axb4 cxb4 27. Kg2 Rc8 28. Ra8 Rxa8 29. Bxa8 Kg7 30. Bf3 Rc8 31. Re2 Nh5 32. Bg4 Nf4+ 33. Kf2 Rf8 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "5"]
[White "Castro Madrigal, Randall"]
[Black "Minero Pineda, Carlos"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "2270"]
[PlyCount "44"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 f5 7. f4 Nf6 8. d3 0-0 9. 0-0 exf4 10. Nxf4 Ne7 11. exf5 Nxf5 12. d4 c6 13. Re1 Qb6 14. c5 Qc7 15. Ne6 Bxe6 16. Rxe6 Qf7 17. Qe1 Rfe8 18. Rxe8+ Rxe8 19. Qd1 Ng4 20. Bd5 cxd5 21. Qxg4 Re1+ 22. Kg2 Ne3+ 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "3"]
[White "Castro Madrigal, Randall"]
[Black "Minero Pineda, Sergio"]
[Result "1/2-1/2"]
[ECO "A36"]
[BlackElo "2440"]
[PlyCount "70"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nf6 5. e4 c5 6. Nge2 Nc6 7. d3 0-0 8. 0-0 Ne8 9. f4 f5 10. Be3 Nd4 11. Qd2 a6 12. Rab1 a5 13. b3 Rb8 14. a3 Be6 15. Kh1 Bf7 16. Bg1 Nxe2 17. Nxe2 fxe4 18. dxe4 b5 19. cxb5 Rxb5 20. Nc1 c4 21. b4 c3 22. Qd3 Qb8 23. Bd4 axb4 24. Ne2 Bxd4 25. Nxd4 Rc5 26. axb4 Rc8 27. Rfc1 e5 28. fxe5 dxe5 29. Nf3 Nf6 30. Rxc3 Nxe4 31. Rxc8 Nf2+ 32. Kg1 Nxd3 33. Rxb8 Rxb8 34. Bf1 Nxb4 35. Nxe5 Nc6 1/2-1/2

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "1"]
[White "Castro Madrigal, Randall"]
[Black "Murillo Tsijli, Alexis"]
[Result "0-1"]
[ECO "A24"]
[BlackElo "2335"]
[PlyCount "82"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 Nbd7 8. d3 c6 9. Rb1 a5 10. h3 Nc5 11. Be3 Re8 12. f4 Nfd7 13. f5 h5 14. Qd2 Nf8 15. Rf2 Nh7 16. Rbf1 h4 17. fxg6 fxg6 18. Bh6 Qe7 19. Bxg7 Qxg7 20. gxh4 Be6 21. Nc1 Rf8 22. Qe3 Rxf2 23. Rxf2 g5 24. Bf1 Rf8 25. Rxf8+ Kxf8 26. Qf2+ Ke8 27. h5 g4 28. Qg3 Qg5 29. N3e2 Qxh5 30. h4 Nf6 31. Bg2 Qh6 32. Qf2 Nh5 33. b3 Qd2 34. d4 g3 35. Qf3 Bg4 36. Qc3 Qd1+ 37. Bf1 Nxe4 38. Qxa5 Bh3 39. Qa8+ Kf7 40. Qxb7+ Kg6 41. Nxg3 Nhxg3 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "7"]
[White "Castro Madrigal, Randall"]
[Black "Porras, Dennis"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "61"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d3 Nf6 3. Nc3 d5 4. Bg5 dxe4 5. dxe4 Qxd1+ 6. Rxd1 Bd7 7. Bc4 e6 8. Nf3 Bb4 9. 0-0 Bxc3 10. bxc3 Nxe4 11. Bh4 Nxc3 12. Rd3 Ne4 13. Rfd1 Nc5 14. R3d2 f6 15. Nd4 0-0-0 16. f4 Nxd4 17. Rxd4 b5 18. Be2 Bc6 19. Bf2 Nd7 20. R4d2 Nb6 21. Bd3 a6 22. Bc5 Bd5 23. a3 Rd7 24. Bxb6 cxb6 25. f5 Rhd8 26. a4 e5 27. axb5 Bc4 28. bxa6 e4 29. a7 Bd5 30. Ba6+ Kc7 31. Rxd5 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "11"]
[White "Castro Madrigal, Randall"]
[Black "Ugalde Garcia, Ronald"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "2225"]
[PlyCount "78"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. 0-0 Nd4 9. Be3 Nxf3+ 10. Qxf3 Nc6 11. e5 0-0 12. Ne4 dxe5 13. Bxc5 Re8 14. Nd6 Bf8 15. fxe5 Nxe5 16. Qf4 Bxd6 17. Bxd6 Qxd6 18. d4 Qb6 19. Kh1 Bd7 20. dxe5 Rf8 21. Rad1 Rad8 22. b3 Bc6 23. Rxd8 Bxg2+ 24. Kxg2 Qxd8 25. h4 h5 26. Qf3 Qc7 27. Rf2 b5 28. Qe4 Rd8 29. a4 a6 30. axb5 axb5 31. c4 bxc4 32. bxc4 Rc8 33. Rc2 Qc5 34. Kf3 Rb8 35. Rc3 Rb2 36. Qe3 Qc6+ 37. Kf4 Qg2 38. Rd3 Rf2+ 39. Kg5 Kg7 0-1

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "12"]
[White "Charpentier Morales, William"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2330"]
[PlyCount "41"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. g4 c5 6. d5 a6 7. a4 Qc7 8. f4 Nfd7 9. h3 c4 10. Be3 e6 11. Nf3 Nc5 12. Bd4 f6 13. Nd2 e5 14. fxe5 fxe5 15. Be3 0-0 16. Nxc4 Bd7 17. a5 Bb5 18. Nb6 Qe7 19. h4 Bxe2 20. Qxe2 Ra7 21. b4 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "10"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2400"]
[PlyCount "41"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. f4 Nc6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. d3 e5 6. e4 Nge7 7. 0-0 0-0 8. Nc3 f5 9. Be3 Nd4 10. Qd2 Be6 11. Rae1 Qd7 12. Ng5 fxe4 13. Nxe6 Nxe6 14. dxe4 exf4 15. gxf4 Rf7 16. Bh3 Raf8 17. Nd5 c6 18. Nc7 Qxc7 19. Bxe6 Bxb2 20. c3 Ba3 21. f5 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "8"]
[White "Maynard, Francis"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2235"]
[PlyCount "99"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 c6 6. f4 h6 7. Bh4 Nh5 8. Be2 Nxf4 9. Qxf4 g5 10. Qf2 gxh4 11. Nf3 Qb6 12. 0-0-0 Be6 13. Rhf1 Na6 14. Nxh4 Bf6 15. Nf5 0-0-0 16. Nxd6+ Rxd6 17. e5 Bg5+ 18. Kb1 Rd7 19. h4 Rhd8 20. hxg5 hxg5 21. Qg3 Rxd4 22. Qxg5 Rxd1+ 23. Rxd1 Rxd1+ 24. Bxd1 Qc5 25. a3 f6 26. Qg6 Qxe5 27. Qe8+ Kc7 28. Qxe7+ Bd7 29. Qxe5+ fxe5 30. Ne4 Bf5 31. Bf3 Kd7 32. Kc1 Ke6 33. g4 Bxe4 34. Bxe4 Nc5 35. Bf5+ Kf6 36. b4 Ne6 37. Bxe6 Kxe6 38. Kd2 Kf6 39. Ke3 Kg5 40. Ke4 Kxg4 41. Kxe5 Kf3 42. Kd6 Ke2 43. Kc7 Kd2 44. c4 b5 45. c5 Kc3 46. Kxc6 Kc4 47. Kd6 Kb3 48. c6 Kxa3 49. Kc5 a5 50. bxa5 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "6"]
[White "Picado, Rafael"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 b5 6. a3 a6 7. Qd2 Bg7 8. Bh6 0-0 9. Bxg7 Kxg7 10. Nge2 Nbd7 11. Nc1 Nb6 12. b3 Bb7 13. Be2 a5 14. Nd3 a4 15. g4 Ne8 16. h4 f6 17. g5 f5 18. Nf4 Nc7 19. d5 Nd7 20. dxc6 Bxc6 21. Ncd5 Bxd5 22. exd5 Ne5 23. Qc3 Qd7 24. Qxc7 Qxc7 25. Ne6+ Kf7 26. Nxc7 Rac8 27. Ne6 Rfe8 28. f4 Ng4 29. Bxb5 Rh8 30. Bc6 axb3 31. cxb3 Rxc6 32. dxc6 Kxe6 33. Ke2 d5 34. Rac1 Rc8 35. c7 Kd6 36. h5 d4 37. hxg6 hxg6 38. Rh6 Nxh6 39. gxh6 e5 40. fxe5+ Kxe5 41. h7 g5 42. h8Q+ Rxh8 43. c8Q Rxc8 44. Rxc8 g4 45. b4 f4 46. b5 f3+ 47. Kf2 Kf4 48. Rf8+ Ke4 49. b6 d3 50. Rd8 g3+ 51. Kxg3 Ke3 52. Rxd3+ 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "2"]
[White "Rodriguez, Adrian"]
[Black "Castro Madrigal, Randall"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "87"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nd7 5. f3 e5 6. Be3 Ne7 7. Nge2 0-0 8. g4 exd4 9. Nxd4 Ne5 10. Be2 N7c6 11. h4 Nxd4 12. Bxd4 Be6 13. f4 c5 14. Bxe5 dxe5 15. f5 gxf5 16. gxf5 Qf6 17. Qd3 Rad8 18. Qg3 Bc8 19. Nd5 Rxd5 20. cxd5 Kh8 21. 0-0-0 Rg8 22. Kb1 Bd7 23. Rhg1 a6 24. Rdf1 b5 25. Qg5 Qxg5 26. hxg5 f6 27. Bh5 Rf8 28. Rg2 fxg5 29. Rxg5 Bf6 30. Rg4 b4 31. Kc2 Bb5 32. Rf2 c4 33. Rfg2 a5 34. Bf7 h6 35. Rg8+ Rxg8 36. Rxg8+ Kh7 37. Be6 Bg5 38. d6 b3+ 39. axb3 cxb3+ 40. Kxb3 Bd3 41. d7 a4+ 42. Kxa4 Bxe4 43. d8Q Bxd8 44. Rxd8 1-0

[Event "CRI-ch"]
[Site "San Jose"]
[Date "1994.??.??"]
[Round "4"]
[White "Valdes Romero, Leonardo"]
[Black "Castro Madrigal, Randall"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "47"]
[EventDate "1994.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CRI"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. d3 c5 5. 0-0 Nc6 6. Nbd2 e5 7. e4 Nge7 8. c3 0-0 9. a3 h6 10. b4 Be6 11. b5 Na5 12. c4 f5 13. Ne1 f4 14. Nb1 g5 15. g4 Qd7 16. f3 b6 17. Nc3 Nb7 18. a4 Ng6 19. Bd2 Nh4 20. Nd5 h5 21. h3 hxg4 22. hxg4 Bxd5 23. cxd5 Bf6 24. Qb3 1/2-1/2

