[Event "Online Olym Div2 E 2021"] [Site "chess.com INT"] [Date "2021.09.04"] [Round "8.3"] [White "Heredia Serrano, C"] [Black "Gamboa Alvarado, L"] [Result "1-0"] [WhiteTitle "WGM"] [BlackTitle "WFM"] [WhiteElo "2107"] [BlackElo "1865"] [ECO "B08"] [Opening "Pirc"] [Variation "classical, h3 system"] [EventDate "2021.09.02"] [WhiteFideId "3603687"] [BlackFideId "6502270"] [EventType "team"] [WhiteTeam "Ecuador"] [BlackTeam "Costa Rica"] 1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Nf3 Bg7 5. h3 c6 6. a4 O-O 7. Be3 Nbd7 8. Be2 Qc7 9. a5 e5 10. dxe5 Nxe5 11. O-O Be6 12. Bd4 Rfe8 13. Re1 h6 14. Nxe5 dxe5 15. Be3 Kh7 16. Bf3 Red8 17. Qe2 b5 18. axb6 axb6 19. Ra6 Rab8 20. Rea1 Rb7 21. b3 Bf8 22. Bg4 Nxg4 23. hxg4 b5 24. f3 Be7 25. Kh2 f5 26. gxf5 gxf5 27. Ra7 Rdb8 28. Nd1 f4 29. Bf2 Qd7 30. Nb2 Bf6 31. Nd3 Qe8 32. Nc5 Qh5+ 33. Kg1 Rxa7 34. Rxa7+ Bf7 35. Nd7 Bh4 36. Bxh4 1-0

[Event "Online Olym Div2 E 2021"] [Site "chess.com INT"] [Date "2021.09.03"] [Round "6.4"] [White "Clarke, Adani"] [Black "Gamboa Alvarado, L"] [Result "0-1"] [WhiteTitle "WCM"] [BlackTitle "WFM"] [WhiteElo "1811"] [BlackElo "1865"] [ECO "E20"] [Opening "Nimzo-Indian"] [Variation "Kmoch variation"] [EventDate "2021.09.02"] [WhiteFideId "7402082"] [BlackFideId "6502270"] [EventType "team"] [WhiteTeam "Jamaica"] [BlackTeam "Costa Rica"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bg5 Re8 9. Qc2 h6 10. Bh4 Qe7 11. Bxf6 Qxf6 12. Qd2 Nc6 13. e3 Na5 14. Rb1 Qe7 15. Rb5 Qxa3 16. Rxd5 Nb3 17. Qd3 Nc1 18. Qd2 Qa1 19. Kf2 Nb3 20. Qc2 Na5 21. Rb5 c6 22. Rb1 Qa3 23. Bd3 Qe7 24. e4 Be6 25. Ne2 b6 26. Rhe1 Nb7 27. Kg1 Nd6 28. Nf4 Bc4 29. Qa4 Bb5 30. Qb4 Bxd3 31. Nxd3 Reb8 32. Ne5 Qc7 33. Qa4 Rc8 34. Qa2 b5 35. c4 a5 36. Rec1 b4 37. c5 Nb5 38. Qb3 Nxd4 39. Qd3 Qxe5 40. f4 Qf6 41. e5 Qxf4 42. Rf1 Qxe5 43. Rbe1 Qxc5 44. Kh1 Ne6 45. Qd7 Rc7 46. Qd3 Qd5 47. Qb1 c5 48. Rd1 Qc6 49. h3 c4 50. Qf5 c3 51. Rc1 b3 52. Rf3 Rac8 53. Qxa5 b2 54. Rcxc3 b1=Q+ 55. Kh2 Qxc3 56. Rxc3 Rxc3 0-1

[Event "Online Olym Div2 E 2021"] [Site "chess.com INT"] [Date "2021.09.02"] [Round "3.1"] [White "Chirivi C, Y"] [Black "Gamboa Alvarado, L"] [Result "1-0"] [WhiteTitle "WIM"] [BlackTitle "WFM"] [WhiteElo "2124"] [BlackElo "1865"] [ECO "E12"] [Opening "Queen's Indian"] [Variation "Petrosian system"] [EventDate "2021.09.02"] [WhiteFideId "4403061"] [BlackFideId "6502270"] [EventType "team"] [WhiteTeam "Colombia"] [BlackTeam "Costa Rica"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 O-O 7. e4 d6 8. Bd3 Nbd7 9. O-O a5 10. b3 e5 11. Rb1 Re8 12. Re1 Nf8 13. g3 Bc8 14. Nh4 g6 15. Ng2 Bh3 16. f4 Bxg2 17. Kxg2 N8d7 18. Qf3 Bf8 19. f5 Nh5 20. Rf1 Be7 21. Be2 Ng7 22. Bh6 f6 23. fxg6 hxg6 24. Qg4 Nf8 25. Rf2 Qd7 26. Nb5 Qxg4 27. Bxg4 Bd8 28. Rbf1 Kh7 29. Be3 Rb8 30. Na7 f5 31. exf5 Nxf5 32. Bxf5 gxf5 33. Rxf5 Ng6 34. Nc6 Rc8 35. Rf7+ Kh8 36. h4 Ne7 37. Rf8+ 1-0