Event: Round 9: Koyuncu, Omer Arda - Chetverik, Maxim
Site: https://lichess.org/broadcast/mersin-metropolitan-municipality-open-2025/round-9/yFATIUML/jM3gU9c2
Date: 2025-11-15
White: Koyuncu, Omer Arda
WhiteElo: 1850
Black: Chetverik, Maxim
BlackTitle: IM
BlackElo: 1981
Result: 1/2-1/2
ECO: A85
Opening: Dutch Defense: Queen's Knight Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... f5 { [%eval 0.47] [%clk 1:30:56] } 2. c4 { [%eval 0.39] [%clk 1:31:23] } 2... Nf6 { [%eval 0.46] [%clk 1:31:23] } 3. Nc3 { [%eval 0.39] [%clk 1:31:37] } 3... e6 { [%eval 0.52] [%clk 1:31:49] } 4. g3 { [%eval 0.25] [%clk 1:32:01] } 4... Bb4 { [%eval 0.39] [%clk 1:32:12] } 5. Bg2 { [%eval 0.14] [%clk 1:32:06] } 5... O-O { [%eval 0.36] [%clk 1:31:51] } 6. Nh3 { [%eval 0.3] [%clk 1:29:52] } 6... Qe7 { [%eval 0.39] [%clk 1:22:20] } 7. O-O { [%eval 0.34] [%clk 1:27:51] } 7... Bxc3 { [%eval 0.3] [%clk 1:22:48] } 8. bxc3 { [%eval 0.41] [%clk 1:28:15] } 8... d6 { [%eval 0.34] [%clk 1:16:38] } 9. Rb1 { [%eval 0.17] [%clk 1:19:19] } 9... Nc6 { [%eval 0.42] [%clk 1:15:51] } 10. Nf4 { [%eval 0.03] [%clk 1:15:06] } 10... Nd8?! { [%eval 0.64] } { Inaccuracy. Ne4 was best. } { [%clk 1:10:14] } 11. Qc2 { [%eval 0.53] [%clk 1:05:57] } 11... Rb8?! { [%eval 1.09] } { Inaccuracy. Re8 was best. } { [%clk 1:04:56] } 12. Ba3?! { [%eval 0.37] } { Inaccuracy. c5 was best. } { [%clk 0:59:16] } 12... b6 { [%eval 0.39] [%clk 0:58:29] } 13. Qa4?! { [%eval -0.46] } { Inaccuracy. c5 was best. } { [%clk 0:52:46] } 13... c5 { [%eval -0.54] [%clk 0:50:53] } 14. Rfd1 { [%eval -0.75] [%clk 0:45:11] } 14... Qc7 { [%eval -0.72] [%clk 0:47:05] } 15. dxc5 { [%eval -1.13] [%clk 0:41:32] } 15... bxc5 { [%eval -1.12] [%clk 0:47:03] } 16. Rxb8 { [%eval -1.17] [%clk 0:39:24] } 16... Qxb8 { [%eval -1.04] [%clk 0:47:31] } 17. Qb5 { [%eval -1.39] [%clk 0:27:23] } 17... Qc7 { [%eval -1.36] [%clk 0:39:26] } 18. Rb1 { [%eval -1.37] [%clk 0:23:09] } 18... Bd7 { [%eval -1.35] [%clk 0:38:50] } 19. Qa6 { [%eval -1.7] [%clk 0:22:39] } 19... g5 { [%eval -1.61] [%clk 0:35:52] } 20. Nh3 { [%eval -1.76] [%clk 0:16:56] } 20... h6 { [%eval -1.91] [%clk 0:36:16] } 21. f4 { [%eval -1.9] [%clk 0:16:53] } 21... Ne4?! { [%eval -0.93] } { Inaccuracy. g4 was best. } { [%clk 0:30:58] } 22. Bxe4?! { [%eval -2.09] } { Inaccuracy. Re1 was best. } { [%clk 0:10:38] } 22... fxe4 { [%eval -2.1] [%clk 0:31:25] } 23. Rd1 { [%eval -2.08] [%clk 0:07:43] } 23... Bc6? { [%eval -0.76] } { Mistake. Nf7 was best. } { [%clk 0:20:09] } 24. Bc1 { [%eval -0.76] [%clk 0:02:01] } 24... e3?! { [%eval 0.0] } { Inaccuracy. g4 was best. } { [%clk 0:14:04] } 25. Bxe3 { [%eval 0.0] [%clk 0:01:59] } 25... Nf7 { [%eval 0.04] [%clk 0:10:38] } 26. fxg5 { [%eval 0.33] [%clk 0:00:43] } 26... Bb7 { [%eval 0.75] [%clk 0:09:51] } 27. Qa4 { [%eval 0.21] [%clk 0:00:47] } 27... Ba8 { [%eval 0.6] [%clk 0:08:53] } 28. Qa6 { [%eval 0.42] [%clk 0:00:41] } 28... hxg5 { [%eval 0.54] [%clk 0:06:36] } 29. Nxg5 { [%eval 0.0] [%clk 0:00:35] } 29... Nxg5 { [%eval 0.0] [%clk 0:07:01] } 30. Bxg5 { [%eval 0.0] [%clk 0:01:02] } 30... Qg7?? { [%eval 2.27] } { Blunder. Qf7 was best. } { [%clk 0:04:50] } 31. h4?? { [%eval -4.64] } { Blunder. Rf1 was best. } { [%clk 0:00:34] } 31... Qe5 { [%eval -4.55] [%clk 0:04:15] } 32. Qxd6 { [%eval -4.35] [%clk 0:00:38] } 32... Qxe2?? { [%eval 0.09] } { Blunder. Qe4 was best. } { [%clk 0:04:43] } 33. Qd2 { [%eval 0.11] [%clk 0:00:49] } 33... Qf3? { [%eval 1.58] } { Mistake. Qg4 was best. } { [%clk 0:04:10] } 34. Bf4?? { [%eval -6.26] } { Blunder. Kh2 was best. } { [%clk 0:00:53] } 34... e5 { [%eval -6.18] [%clk 0:03:06] } 35. Rf1 { [%eval -5.97] [%clk 0:00:40] } 35... Qh1+ { [%eval -5.9] [%clk 0:02:20] } 36. Kf2 { [%eval -5.42] [%clk 0:01:09] } 36... Qg2+ { [%eval -5.4] [%clk 0:02:12] } 37. Ke1 { [%eval -5.18] [%clk 0:01:38] } 37... Qe4+? { [%eval -2.68] } { Mistake. exf4 was best. } { [%clk 0:01:58] } 38. Be3?? { [%eval -6.46] } { Blunder. Kd1 was best. } { [%clk 0:01:39] } 38... Rxf1+?? { [%eval 0.0] } { Blunder. Rb8 was best. } { [%clk 0:01:20] } 39. Kxf1 { [%eval 0.0] [%clk 0:02:08] } 39... Qf3+ { [%eval 0.0] [%clk 0:00:57] } 40. Qf2 { [%eval 0.0] [%clk 0:00:37] } 40... Qd1+ { [%eval 0.0] [%clk 0:01:13] } 41. Qe1 { [%eval 0.0] [%clk 0:01:06] } 41... Qf3+ { [%eval 0.0] [%clk 0:01:14] } 42. Qf2 { [%eval 0.0] [%clk 0:01:35] } 42... Qd1+ { [%eval 0.0] [%clk 0:01:31] } 43. Qe1 { [%eval 0.0] [%clk 0:01:17] } 43... Qf3+ { [%eval 0.0] [%clk 0:01:57] } 44. Bf2 { [%eval 0.0] [%clk 0:00:34] } 44... Qd3+ { [%eval 0.0] [%clk 0:00:57] } 45. Qe2 { [%eval 0.0] [%clk 0:00:37] } 45... Bg2+ { [%eval 0.0] [%clk 0:01:20] } 46. Ke1 { [%eval 0.26] [%clk 0:01:06] } 46... Qb1+?? { [%eval 2.75] } { Blunder. Qxc3+ was best. } { [%clk 0:00:46] } 47. Qd1 { [%eval 2.69] [%clk 0:01:18] } 47... Qe4+ { [%eval 2.68] [%clk 0:00:54] } 48. Qe2 { [%eval 2.39] [%clk 0:01:34] } 48... Qb1+ { [%eval 2.71] [%clk 0:01:18] } 49. Qd1 { [%eval 2.64] [%clk 0:01:00] } 49... Qe4+ { [%eval 2.54] [%clk 0:01:44] } 50. Qe2?? { [%eval 0.0] } { Blunder. Kd2 was best. } { [%clk 0:00:45] } 50... Qb1+ { [%eval 0.0] [%clk 0:02:11] } 1/2-1/2