[Event "San Jose Metropolitano op-B 45th"]
[Site "San Jose"]
[Date "2024.12.26"]
[Round "1"]
[White "Calderon Quesada, Roberto Carlos"]
[Black "Ramirez Ordonez, Brandon Adrian"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1791"]
[BlackElo "1436"]
[PlyCount "50"]
[EventDate "2024.12.26"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CRI"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 c6 2. d4 e6 3. e3 d5 4. b3 f5 5. Be2 Nf6 6. 0-0 Bd6 7. Bb2 0-0 8. c4 Bd7 9. Nc3 Be8 10. Rc1 Nbd7 11. cxd5 exd5 12. Nd2 Qe7 13. Re1 Ne4 14. Ndxe4 fxe4 15. f4 exf3 16. Bxf3 Qh4 17. g3 Bxg3 18. hxg3 Qxg3+ 19. Bg2 Rf2 20. Qf3 Rxf3 21. Ne2 Qf2+ 22. Kh2 Rxe3 23. Ba3 Rxe2 24. Rxe2 Qxe2 25. Rf1 Bg6 0-1

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2024.06.09"]
[Round "6.3"]
[White "Villalobos Arrieta, Eduardo"]
[Black "Calderon Quesada, Roberto Carlos"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1607"]
[BlackElo "1724"]
[PlyCount "97"]
[EventDate "2024.04.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Norte San Carlos"]
[BlackTeam "Academia Vandola Kaffa"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. e4 c5 2. Nf3 e6 3. c3 d6 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. d4 cxd4 7. Nxd4 Nf6 8. Qf3 Nc6 9. 0-0 Be7 10. Qe2 0-0 11. f3 a6 12. Be3 Rac8 13. Nd2 Nxd4 14. Bxd4 e5 15. Be3 Qc6 16. c4 Nd7 17. b3 f5 18. exf5 Rxf5 19. Ne4 Rf7 20. Rad1 h6 21. Rd2 Nf6 22. Nxf6+ Rxf6 23. Rfd1 Qe8 24. Qd3 Qf7 25. Re2 Rf8 26. Qd5 Qxd5 27. Rxd5 Rg6 28. Rf2 Bh4 29. Rf1 Be7 30. c5 Kf7 31. cxd6 Bxd6 32. g3 Rc8 33. Rfd1 Ke7 34. Kf2 Rc2+ 35. R5d2 Rxd2+ 36. Rxd2 Rf6 37. Ke2 Rf8 38. Rc2 Kd7 39. Rd2 Ke6 40. Rc2 Rf7 41. Rc4 Rc7 42. Kd3 Kd5 43. Rxc7 Bxc7 44. g4 g5 45. h3 b5 46. Bf2 Bd6 47. h4 Be7 48. hxg5 hxg5 49. Be3 1/2-1/2

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2024.06.02"]
[Round "5.3"]
[White "Calderon Quesada, Roberto Carlos"]
[Black "Incer Arias, Manuel"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "1724"]
[BlackElo "1801"]
[PlyCount "56"]
[EventDate "2024.04.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Academia Vandola Kaffa"]
[BlackTeam "Santa Barbara II"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. b3 Nf6 2. Bb2 e6 3. c4 d5 4. e3 c5 5. Nf3 Nc6 6. d4 Be7 7. Be2 0-0 8. 0-0 Ne4 9. cxd5 exd5 10. dxc5 Bxc5 11. Nc3 Be6 12. Rc1 Be7 13. Nxe4 dxe4 14. Nd4 Nxd4 15. Qxd4 Bf6 16. Qxd8 Rfxd8 17. Bxf6 gxf6 18. Rc2 Rac8 19. Rfc1 Rxc2 20. Rxc2 Kg7 21. Kf1 Rd7 22. Ke1 a6 23. Bc4 Bg4 24. Be2 h5 25. f3 exf3 26. gxf3 Bf5 27. e4 Bg6 28. Rd2 Rc7 1/2-1/2

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2024.05.05"]
[Round "3.3"]
[White "Calderon Quesada, Roberto Carlos"]
[Black "Badilla Hernandez, Johans"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1724"]
[BlackElo "1719"]
[PlyCount "57"]
[EventDate "2024.04.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Academia Vandola Kaffa"]
[BlackTeam "Kaffa Denei"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. Nf3 c5 2. c4 d6 3. Nc3 Nf6 4. e4 Nc6 5. Be2 Bg4 6. 0-0 e5 7. d3 Be7 8. Bd2 0-0 9. Nd5 Bxf3 10. Nxe7+ Qxe7 11. Bxf3 Nd4 12. Bg4 a6 13. Be2 h6 14. Be3 b5 15. Bxd4 exd4 16. b3 b4 17. f4 Nd7 18. Bf3 Rae8 19. Re1 Qd8 20. g3 f5 21. Qd2 fxe4 22. Bxe4 Nf6 23. Bc6 Rxe1+ 24. Rxe1 Ng4 25. Re6 Ne3 26. Qe2 Qc8 27. Bd5 Kh8 28. Qh5 Qd8 29. Rxh6+ 1-0

[Event "CRI-chT"]
[Site "San Jose"]
[Date "2024.04.28"]
[Round "1.4"]
[White "Valverde Mora, Mauricio"]
[Black "Calderon Quesada, Roberto Carlos"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "1943"]
[BlackElo "1724"]
[PlyCount "60"]
[EventDate "2024.04.28"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "CRI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica Univ"]
[BlackTeam "Academia Vandola Kaffa"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "CRI"]

1. c4 e6 2. Nf3 Nf6 3. d4 d5 4. e3 dxc4 5. Bxc4 a6 6. a4 b6 7. 0-0 Bb7 8. Nc3 Be7 9. b3 0-0 10. Bb2 Nbd7 11. Qe2 a5 12. Rfd1 Nd5 13. e4 Nxc3 14. Bxc3 Nf6 15. Bd3 c6 16. Rac1 Rc8 17. Bb1 Qe8 18. Bd2 c5 19. e5 Nd5 20. Qe4 g6 21. Bh6 f5 22. exf6 Rxf6 23. h4 Bf8 24. Bg5 Rf7 25. Qg4 cxd4 26. Qxd4 Bg7 27. Ne5 Rfc7 28. Rc3 Rc5 29. Rxc5 Rc7 30. Rc6 Qf8 1-0

