Event: Round 5: Koster, Chiel - Kazarjan, Gachatur
Date: 2025-05-18
White: Koster, Chiel
WhiteElo: 2123
Black: Kazarjan, Gachatur
BlackElo: 2211
Result: 1/2-1/2
ECO: D34
Opening: Tarrasch Defense: Classical Variation
Variant: Standard
TimeControl: 90+30

1. Nf3 { [%eval 0.14] [%clk 1:30:51] } 1... d5 { [%eval 0.18] [%clk 1:22:22] } 2. g3 { [%eval 0.15] [%clk 1:31:09] } 2... c5 { [%eval 0.14] [%clk 1:22:42] } 3. Bg2 { [%eval 0.1] [%clk 1:31:29] } 3... Nc6 { [%eval 0.29] [%clk 1:23:05] } 4. d4 { [%eval 0.21] [%clk 1:31:52] } 4... Nf6 { [%eval 0.3] [%clk 1:22:55] } 5. O-O { [%eval 0.12] [%clk 1:32:15] } 5... e6 { [%eval 0.19] [%clk 1:23:21] } 6. c4 { [%eval 0.28] [%clk 1:32:40] } 6... Be7 { [%eval 0.31] [%clk 1:23:47] } 7. cxd5 { [%eval 0.24] [%clk 1:32:39] } 7... exd5 { [%eval 0.32] [%clk 1:24:06] } 8. Nc3 { [%eval 0.3] [%clk 1:33:02] } 8... O-O { [%eval 0.27] [%clk 1:24:29] } 9. Bf4 { [%eval 0.29] [%clk 1:32:25] } 9... h6 { [%eval 0.24] [%clk 1:24:06] } 10. h4 { [%eval -0.08] [%clk 1:29:50] } 10... Bf5 { [%eval 0.07] [%clk 1:10:18] } 11. Rc1 { [%eval -0.15] [%clk 1:28:22] } 11... c4 { [%eval -0.18] [%clk 0:54:27] } 12. Ne5 { [%eval -0.21] [%clk 1:23:46] } 12... Qa5?! { [%eval 0.56] } { Inaccuracy. Re8 was best. } { [%clk 0:50:20] } 13. Bd2 { [%eval 0.1] [%clk 1:10:16] } 13... Qd8 { [%eval 0.12] [%clk 0:47:52] } 14. Nxd5 { [%eval 0.19] [%clk 0:58:07] } 14... Nxd5 { [%eval 0.24] [%clk 0:40:03] } 15. e4 { [%eval 0.15] [%clk 0:57:51] } 15... Nxe5 { [%eval 0.24] [%clk 0:39:33] } 16. dxe5 { [%eval 0.12] [%clk 0:57:43] } 16... Be6? { [%eval 1.62] } { Mistake. c3 was best. } { [%clk 0:39:08] } 17. exd5 { [%eval 1.6] [%clk 0:57:39] } 17... Bxd5 { [%eval 1.74] [%clk 0:39:32] } 18. Bxh6 { [%eval 1.54] [%clk 0:54:14] } 18... Bxg2 { [%eval 2.12] [%clk 0:39:57] } 19. Qg4 { [%eval 2.14] [%clk 0:54:40] } 19... Bf6 { [%eval 2.01] [%clk 0:36:53] } 20. exf6 { [%eval 2.42] [%clk 0:53:18] } 20... Qxf6 { [%eval 2.3] [%clk 0:37:16] } 21. Bxg7 { [%eval 2.18] [%clk 0:53:30] } 21... Qxg7 { [%eval 2.21] [%clk 0:37:12] } 22. Qxg7+ { [%eval 2.15] [%clk 0:53:54] } 22... Kxg7 { [%eval 2.19] [%clk 0:37:37] } 23. Kxg2 { [%eval 2.17] [%clk 0:54:16] } 23... Rac8 { [%eval 2.23] [%clk 0:38:03] } 24. Rfe1 { [%eval 2.41] [%clk 0:53:04] } 24... Rfd8 { [%eval 2.32] [%clk 0:36:44] } 25. Rcd1?! { [%eval 1.34] } { Inaccuracy. b3 was best. } { [%clk 0:52:39] } 25... b5?! { [%eval 2.07] } { Inaccuracy. Rxd1 was best. } { [%clk 0:35:55] } 26. Kf3? { [%eval 0.51] } { Mistake. Rxd8 was best. } { [%clk 0:51:42] } 26... Kf6? { [%eval 1.8] } { Mistake. Rxd1 was best. } { [%clk 0:35:33] } 27. Rxd8 { [%eval 1.6] [%clk 0:51:14] } 27... Rxd8 { [%eval 1.73] [%clk 0:36:02] } 28. Ke2 { [%eval 1.67] [%clk 0:50:56] } 28... Rd6 { [%eval 1.77] [%clk 0:30:51] } 29. Rd1 { [%eval 1.55] [%clk 0:50:12] } 29... Ra6?! { [%eval 2.21] } { Inaccuracy. Re6+ was best. } { [%clk 0:31:05] } 30. a3 { [%eval 1.99] [%clk 0:44:19] } 30... c3 { [%eval 2.09] [%clk 0:30:00] } 31. Rb1 { [%eval 1.96] [%clk 0:43:54] } 31... cxb2 { [%eval 2.04] [%clk 0:29:27] } 32. Rxb2 { [%eval 1.86] [%clk 0:44:16] } 32... Rxa3? { [%eval 3.86] } { Mistake. Rb6 was best. } { [%clk 0:29:53] } 33. Rxb5 { [%eval 3.77] [%clk 0:44:41] } 33... Kg6 { [%eval 4.42] [%clk 0:30:09] } 34. g4 { [%eval 4.42] [%clk 0:43:41] } 34... Kh6 { [%eval 4.09] [%clk 0:29:52] } 35. Rf5 { [%eval 4.33] [%clk 0:43:30] } 35... Kg6 { [%eval 4.92] [%clk 0:29:44] } 36. h5+ { [%eval 4.92] [%clk 0:43:04] } 36... Kg7 { [%eval 4.94] [%clk 0:30:04] } 37. f4 { [%eval 4.54] [%clk 0:30:54] } 37... a5 { [%eval 4.95] [%clk 0:26:56] } 38. g5 { [%eval 6.02] [%clk 0:30:33] } 38... a4 { [%eval 6.12] [%clk 0:26:36] } 39. h6+ { [%eval 5.8] [%clk 0:29:44] } 39... Kg8 { [%eval 5.6] [%clk 0:26:57] } 40. Ra5 { [%eval 5.27] [%clk 0:29:37] } 40... Ra1?! { [%eval 7.66] } { Inaccuracy. Kh7 was best. } { [%clk 0:21:06] } 41. Kf3 { [%eval 7.25] [%clk 0:26:47] } 41... a3 { [%eval 8.36] [%clk 0:20:38] } 42. Kg4 { [%eval 7.93] [%clk 0:27:00] } 42... a2 { [%eval 9.62] [%clk 0:20:49] } 43. Kf5 { [%eval 8.36] [%clk 0:27:26] } 43... Kh8 { [%eval 8.36] [%clk 0:20:32] } 44. Ra7 { [%eval 7.75] [%clk 0:25:14] } 44... Kg8 { [%eval 7.5] [%clk 0:20:15] } 45. Ra4 { [%eval 7.51] [%clk 0:15:29] } 45... Kh8 { [%eval 6.96] [%clk 0:19:15] } 46. Kf6?? { [%eval 0.0] } { Blunder. Ra6 was best. } { [%clk 0:14:25] } 46... Rf1 { [%eval 0.0] [%clk 0:18:50] } 47. Rxa2 { [%eval 0.0] [%clk 0:14:50] } 47... Rxf4+ { [%eval 0.0] [%clk 0:19:16] } 48. Ke7 { [%eval 0.0] [%clk 0:14:49] } 48... Kh7 { [%eval 0.0] [%clk 0:18:33] } 49. Kf8 { [%eval 0.0] [%clk 0:15:01] } 49... Rf5 { [%eval 0.0] [%clk 0:18:45] } 1/2-1/2