WORLDBASE

WORLDBASE Game Koc vs GM Obregon Rivero

Stockfish
Event 2nd 3-0 Thu 20th Aug 2026
Site chess.com INT
Date 2026.08.20
Round 5
White Koc, P
Black GM Obregon Rivero, J
Result 0-1
WhiteElo 2346
BlackElo 2473
ECO A48
Opening East Indian Defense
PlyCount 128
1.d4 Nf6 2.Nf3 g6 3.Nbd2 Bg7 4.e4 O-O 5.Bd3 d6 6.O-O c6 7.a4 Qc7 8.c3 e5 9.h3 Nbd7 10.Re1 Re8 11.Qc2 a5 12.Nc4 b6 13.dxe5 dxe5 14.Be3 Ba6 15.Rad1 Bf8 16.Qb3 Nc5 17.Bxc5 Bxc5 18.g4 h6 19.Kg2 Kg7 20.Qc2 Nh7 21.Ne3 Bb7 22.Bc4 Nf8 23.h4 Ne6 24.Bxe6 Rxe6 25.h5 Qe7 26.Rh1 Bxe3 27.fxe3 c5 28.Kf2 Rd6 29.hxg6 fxg6 30.Rxd6 Qxd6 31.Rd1 Qe7 32.Qd3 Re8 33.Qd6 Bxe4 34.Qxe7+ Rxe7 35.Kg3 Kf6 36.Rd6+ Re6 37.Rxe6+ Kxe6 38.Nd2 Bc2 39.Nc4 Bxa4 40.Nxb6 Bb3 41.c4 Kd6 42.e4 Kc6 43.Nd5 Bxc4 44.Ne7+ Kd6 45.Nxg6 Be6 46.Nh4 c4 47.Nf3 c3 48.bxc3 a4 49.Ne1 Bb3 50.Nd3 a3 51.Nc1 Bf7 52.Kh4 a2 53.Nxa2 Bxa2 54.Kh5 Be6 55.Kxh6 Bxg4 56.Kg5 Be2 57.Kf5 Bc4 58.Kf6 Be6 59.c4 Bxc4 60.Kf5 Bd3 61.Kg4 Bxe4 62.Kg3 Kd5 63.Kf2 Kd4 64.Ke2 Bd3+ 0-1
Lichess | rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 | PGN
[Event "2nd 3-0 Thu 20th Aug 2026"] [Site "chess.com INT"] [Date "2026.08.20"] [Round "5"] [White "Koc, P"] [Black "Obregon Rivero, J"] [Result "0-1"] [BlackTitle "GM"] [WhiteElo "2346"] [BlackElo "2473"] [ECO "A48"] [Opening "King's Indian"] [Variation "East Indian defence"] [EventDate "2026.08.20"] [WhiteFideId "1109081"] [BlackFideId "3507815"] [SourceTitle "The Week in Chess 1659"] [Source "Mark Crowther"] [SourceDate "2026.08.24"] 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 O-O 5. Bd3 d6 6. O-O c6 7. a4 Qc7 8. c3 e5 9. h3 Nbd7 10. Re1 Re8 11. Qc2 a5 12. Nc4 b6 13. dxe5 dxe5 14. Be3 Ba6 15. Rad1 Bf8 16. Qb3 Nc5 17. Bxc5 Bxc5 18. g4 h6 19. Kg2 Kg7 20. Qc2 Nh7 21. Ne3 Bb7 22. Bc4 Nf8 23. h4 Ne6 24. Bxe6 Rxe6 25. h5 Qe7 26. Rh1 Bxe3 27. fxe3 c5 28. Kf2 Rd6 29. hxg6 fxg6 30. Rxd6 Qxd6 31. Rd1 Qe7 32. Qd3 Re8 33. Qd6 Bxe4 34. Qxe7+ Rxe7 35. Kg3 Kf6 36. Rd6+ Re6 37. Rxe6+ Kxe6 38. Nd2 Bc2 39. Nc4 Bxa4 40. Nxb6 Bb3 41. c4 Kd6 42. e4 Kc6 43. Nd5 Bxc4 44. Ne7+ Kd6 45. Nxg6 Be6 46. Nh4 c4 47. Nf3 c3 48. bxc3 a4 49. Ne1 Bb3 50. Nd3 a3 51. Nc1 Bf7 52. Kh4 a2 53. Nxa2 Bxa2 54. Kh5 Be6 55. Kxh6 Bxg4 56. Kg5 Be2 57. Kf5 Bc4 58. Kf6 Be6 59. c4 Bxc4 60. Kf5 Bd3 61. Kg4 Bxe4 62. Kg3 Kd5 63. Kf2 Kd4 64. Ke2 Bd3+ 0-1
version fa9c69a7dde0