Event: Round 4: Koyuncu, Omer Arda - Sherafat , Mahdi
Site: https://lichess.org/broadcast/mersin-metropolitan-municipality-open-2025/round-4/Aq89grSW/5UzH2wAR
Date: 2025-11-11
White: Koyuncu, Omer Arda
WhiteElo: 1850
Black: Sherafat , Mahdi
BlackElo: 1977
Result: 0-1
ECO: E46
Opening: Nimzo-Indian Defense: Normal Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:51] } 2. c4 { [%eval 0.18] [%clk 1:31:18] } 2... e6 { [%eval 0.14] [%clk 1:31:17] } 3. Nc3 { [%eval 0.09] [%clk 1:30:38] } 3... Bb4 { [%eval 0.15] [%clk 1:31:41] } 4. e3 { [%eval 0.06] [%clk 1:30:45] } 4... O-O { [%eval 0.11] [%clk 1:32:04] } 5. Bd2 { [%eval 0.08] [%clk 1:30:58] } 5... Re8 { [%eval 0.28] [%clk 1:32:25] } 6. Bd3 { [%eval 0.06] [%clk 1:30:56] } 6... d5 { [%eval 0.17] [%clk 1:32:46] } 7. Nf3 { [%eval 0.22] [%clk 1:29:49] } 7... dxc4 { [%eval 0.25] [%clk 1:32:37] } 8. Bxc4 { [%eval 0.2] [%clk 1:26:46] } 8... c5 { [%eval 0.39] [%clk 1:32:59] } 9. a3 { [%eval 0.29] [%clk 1:23:16] } 9... Bxc3 { [%eval 0.28] [%clk 1:33:22] } 10. Bxc3 { [%eval 0.4] [%clk 1:23:16] } 10... Ne4 { [%eval 0.41] [%clk 1:32:19] } 11. Qc2 { [%eval 0.2] [%clk 1:17:59] } 11... Nxc3 { [%eval 0.09] [%clk 1:32:27] } 12. Qxc3 { [%eval 0.04] [%clk 1:18:11] } 12... cxd4 { [%eval 0.09] [%clk 1:26:48] } 13. Qxd4 { [%eval 0.0] [%clk 1:16:13] } 13... Qa5+ { [%eval 0.32] [%clk 1:26:47] } 14. b4 { [%eval 0.28] [%clk 1:16:05] } 14... Qh5?! { [%eval 1.03] } { Inaccuracy. Qd8 was best. } { [%clk 1:27:03] } 15. O-O { [%eval 0.65] [%clk 1:10:31] } 15... Nc6 { [%eval 0.64] [%clk 1:25:44] } 16. Qc3 { [%eval 0.82] [%clk 1:08:27] } 16... e5 { [%eval 0.9] [%clk 1:22:15] } 17. e4?! { [%eval -0.15] } { Inaccuracy. Bd5 was best. } { [%clk 0:57:23] } 17... Be6?! { [%eval 0.45] } { Inaccuracy. Bg4 was best. } { [%clk 1:10:38] } 18. Bd5 { [%eval 0.0] [%clk 0:50:27] } 18... Rac8 { [%eval 0.37] [%clk 1:04:43] } 19. Bxc6 { [%eval 0.02] [%clk 0:46:59] } 19... Bg4 { [%eval 0.01] [%clk 1:01:31] } 20. Rad1 { [%eval 0.0] [%clk 0:32:40] } 20... Qh6 { [%eval 0.24] [%clk 0:34:18] } 21. Rd5 { [%eval 0.26] [%clk 0:24:46] } 21... Bxf3 { [%eval 0.52] [%clk 0:26:40] } 22. Qxf3 { [%eval 0.48] [%clk 0:23:02] } 22... Qxc6 { [%eval 0.47] [%clk 0:26:00] } 23. Rfd1 { [%eval 0.57] [%clk 0:22:55] } 23... Re7 { [%eval 0.66] [%clk 0:22:05] } 24. Qg4 { [%eval 0.32] [%clk 0:17:36] } 24... Re6 { [%eval 0.72] [%clk 0:17:08] } 25. Qh4?! { [%eval 0.06] } { Inaccuracy. h4 was best. } { [%clk 0:14:03] } 25... Rce8 { [%eval 0.42] [%clk 0:15:16] } 26. h3 { [%eval 0.19] [%clk 0:11:27] } 26... g6 { [%eval 0.21] [%clk 0:15:40] } 27. Rd7 { [%eval 0.0] [%clk 0:11:42] } 27... Kg7 { [%eval 0.0] [%clk 0:14:25] } 28. R7d5 { [%eval 0.0] [%clk 0:07:51] } 28... Qc3 { [%eval 0.0] [%clk 0:14:18] } 29. R5d3 { [%eval 0.0] [%clk 0:06:17] } 29... Qc4 { [%eval 0.01] [%clk 0:14:35] } 30. Rf3 { [%eval 0.0] [%clk 0:06:14] } 30... R8e7 { [%eval 0.0] [%clk 0:13:40] } 31. Qg4 { [%eval 0.0] [%clk 0:04:52] } 31... a6 { [%eval 0.0] [%clk 0:11:24] } 32. Kh2 { [%eval 0.0] [%clk 0:05:00] } 32... Rc7 { [%eval 0.0] [%clk 0:08:53] } 33. Rdd3 { [%eval -0.07] [%clk 0:02:19] } 33... Qc1 { [%eval 0.0] [%clk 0:07:40] } 34. Qh4 { [%eval 0.0] [%clk 0:02:11] } 34... Rce7 { [%eval 0.0] [%clk 0:06:42] } 35. Rc3 { [%eval 0.0] [%clk 0:02:07] } 35... Qf1 { [%eval 0.03] [%clk 0:05:46] } 36. Rc8 { [%eval 0.03] [%clk 0:01:28] } 36... Rd7 { [%eval 0.0] [%clk 0:05:24] } 37. Rb8 { [%eval -0.14] [%clk 0:00:39] } 37... Qc4 { [%eval 0.0] [%clk 0:05:32] } 38. Rd8 { [%eval 0.0] [%clk 0:00:32] } 38... Rxd8 { [%eval -0.03] [%clk 0:04:47] } 39. Qxd8 { [%eval -0.03] [%clk 0:01:00] } 39... Qxe4 { [%eval -0.07] [%clk 0:04:58] } 40. Rc3? { [%eval -1.61] } { Mistake. Qd7 was best. } { [%clk 0:00:33] } 40... Rc6? { [%eval 0.0] } { Mistake. Qf4+ was best. } { [%clk 0:03:56] } 41. Rf3 { [%eval 0.0] [%clk 0:00:43] } 41... Re6 { [%eval -0.1] [%clk 0:02:20] } 42. Rc3? { [%eval -1.79] } { Mistake. Qd7 was best. } { [%clk 0:01:03] } 42... Qf4+ { [%eval -1.77] [%clk 0:01:32] } 43. Kg1 { [%eval -1.78] [%clk 0:01:32] } 43... Rf6 { [%eval -1.82] [%clk 0:01:17] } 44. Rc8?? { [%eval -4.64] } { Blunder. f3 was best. } { [%clk 0:00:51] } 44... Qxf2+ { [%eval -4.41] [%clk 0:01:38] } 45. Kh2 { [%eval -4.47] [%clk 0:01:16] } 45... Qf4+ { [%eval -4.26] [%clk 0:01:57] } 46. Kh1 { [%eval -4.37] [%clk 0:01:38] } 46... Kh6 { [%eval -4.4] [%clk 0:01:49] } 47. Qf8+ { [%eval -4.65] [%clk 0:01:39] } 47... Kh5 { [%eval -4.47] [%clk 0:01:52] } 48. Qh8 { [%eval -5.09] [%clk 0:01:39] } 48... h6 { [%eval -4.86] [%clk 0:01:20] } 49. Rc3?? { [%eval #-8] } { Checkmate is now unavoidable. Rc5 was best. } { [%clk 0:00:41] } 49... Rd6 { [%eval #-7] [%clk 0:00:52] } 50. g4+ { [%eval #-7] [%clk 0:00:34] } 50... Kh4 { [%eval #-6] [%clk 0:01:09] } 51. Rc2 { [%eval #-2] [%clk 0:00:35] } 51... Rd1+ { [%eval #-1] [%clk 0:01:32] } 52. Kg2 { [%eval #-1] [%clk 0:01:02] } 52... Qf1+ { [%eval #-1] [%clk 0:01:56] } 53. Kh2 { [%eval #-1] [%clk 0:01:28] } 53... Qxh3# { [%clk 0:02:19] } 0-1