Event: Round 4: Halil Efe Sahanbaz - Isik, Tuna
Date: 2025-07-30
White: Halil Efe Sahanbaz
Black: Isik, Tuna
BlackElo: 1799
Result: 1/2-1/2
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c5 { [%eval 0.25] [%clk 1:30:29] } 2. Nf3 { [%eval 0.2] [%clk 1:31:12] } 2... e6 { [%eval 0.28] [%clk 1:30:57] } 3. d4 { [%eval 0.4] [%clk 1:31:34] } 3... cxd4 { [%eval 0.29] [%clk 1:31:24] } 4. Nxd4 { [%eval 0.33] [%clk 1:31:54] } 4... Nf6 { [%eval 0.29] [%clk 1:31:51] } 5. Nc3 { [%eval 0.31] [%clk 1:32:06] } 5... Nc6 { [%eval 0.35] [%clk 1:32:17] } 6. Be3 { [%eval 0.0] [%clk 1:32:28] } 6... Bb4 { [%eval 0.0] [%clk 1:32:42] } 7. f3 { [%eval -0.25] [%clk 1:32:25] } 7... d5 { [%eval -0.25] [%clk 1:32:21] } 8. Nxc6 { [%eval -0.51] [%clk 1:31:47] } 8... bxc6 { [%eval -0.5] [%clk 1:32:50] } 9. e5 { [%eval -0.82] [%clk 1:29:20] } 9... Nd7 { [%eval -0.76] [%clk 1:32:50] } 10. a3 { [%eval -1.2] [%clk 1:28:12] } 10... Bxc3+ { [%eval -0.87] [%clk 1:32:15] } 11. bxc3 { [%eval -0.87] [%clk 1:28:38] } 11... Nxe5 { [%eval -0.83] [%clk 1:32:33] } 12. Qd4 { [%eval -0.79] [%clk 1:28:57] } 12... f6 { [%eval -0.75] [%clk 1:32:47] } 13. Bd3 { [%eval -1.16] [%clk 1:26:35] } 13... Kf7 { [%eval -1.02] [%clk 1:32:41] } 14. O-O { [%eval -1.16] [%clk 1:26:09] } 14... Nd7?! { [%eval -0.22] } { Inaccuracy. Nxd3 was best. } { [%clk 1:29:01] } 15. c4 { [%eval -0.51] [%clk 1:24:39] } 15... e5 { [%eval -0.12] [%clk 1:28:33] } 16. Qh4 { [%eval -0.17] [%clk 1:23:06] } 16... Nf8?! { [%eval 0.61] } { Inaccuracy. d4 was best. } { [%clk 1:25:20] } 17. cxd5 { [%eval 0.65] [%clk 1:22:15] } 17... cxd5 { [%eval 0.59] [%clk 1:25:48] } 18. f4 { [%eval 0.59] [%clk 1:22:11] } 18... e4 { [%eval 1.01] [%clk 1:23:13] } 19. Be2 { [%eval 0.76] [%clk 1:20:43] } 19... Bb7? { [%eval 2.16] } { Mistake. Ng6 was best. } { [%clk 1:18:17] } 20. f5 { [%eval 1.62] [%clk 1:19:46] } 20... Nd7 { [%eval 1.6] [%clk 1:14:36] } 21. Rab1 { [%eval 1.51] [%clk 1:19:38] } 21... Qc7 { [%eval 1.39] [%clk 1:13:35] } 22. Rf4? { [%eval 0.25] } { Mistake. c4 was best. } { [%clk 1:03:28] } 22... Ne5 { [%eval 0.23] [%clk 1:03:07] } 23. g4? { [%eval -1.1] } { Mistake. Bd4 was best. } { [%clk 0:50:59] } 23... Rab8?! { [%eval -0.49] } { Inaccuracy. h6 was best. } { [%clk 1:01:56] } 24. Rbf1?? { [%eval -2.32] } { Blunder. g5 was best. } { [%clk 0:47:24] } 24... Qxc2 { [%eval -2.48] [%clk 1:02:01] } 25. R4f2 { [%eval -2.97] [%clk 0:39:49] } 25... Qc3 { [%eval -2.65] [%clk 1:02:10] } 26. Bf4 { [%eval -3.27] [%clk 0:39:23] } 26... Rbe8?? { [%eval 0.55] } { Blunder. e3 was best. } { [%clk 0:44:15] } 27. Rc1 { [%eval 0.52] [%clk 0:35:34] } 27... Qa5? { [%eval 2.07] } { Mistake. Qd4 was best. } { [%clk 0:43:32] } 28. g5 { [%eval 1.89] [%clk 0:32:12] } 28... Qb6? { [%eval 3.36] } { Mistake. e3 was best. } { [%clk 0:28:51] } 29. gxf6 { [%eval 3.67] [%clk 0:29:38] } 29... gxf6 { [%eval 3.53] [%clk 0:28:13] } 30. Bh5+ { [%eval 3.33] [%clk 0:23:34] } 30... Kf8 { [%eval 3.17] [%clk 0:28:33] } 31. Rc7 { [%eval 4.24] [%clk 0:22:22] } 31... Rg8+ { [%eval 3.79] [%clk 0:23:14] } 32. Kh1 { [%eval 3.33] [%clk 0:21:59] } 32... Rg5? { [%eval 6.64] } { Mistake. Re7 was best. } { [%clk 0:23:05] } 33. Bxg5 { [%eval 6.44] [%clk 0:16:22] } 33... Qxc7 { [%eval 5.97] [%clk 0:22:02] } 34. Bh6+?? { [%eval 0.0] } { Blunder. Rg2 was best. } { [%clk 0:15:31] } 34... Ke7 { [%eval 0.0] [%clk 0:22:21] } 35. Rg2 { [%eval 0.0] [%clk 0:15:33] } 35... Qb6 { [%eval 0.01] [%clk 0:21:53] } 36. Rg7+ { [%eval 0.0] [%clk 0:13:02] } 36... Kd8 { [%eval 0.0] [%clk 0:21:54] } 37. Bxe8 { [%eval 0.0] [%clk 0:11:40] } 37... Kxe8 { [%eval 0.0] [%clk 0:18:47] } 38. Qh5+ { [%eval 0.06] [%clk 0:11:15] } 38... Kd8 { [%eval 0.1] [%clk 0:19:04] } 39. Rg8+ { [%eval 0.15] [%clk 0:10:33] } 39... Kc7 { [%eval 0.62] [%clk 0:19:24] } 40. Qe8?! { [%eval 0.0] } { Inaccuracy. Bf4 was best. } { [%clk 0:09:57] } 40... Qb1+ { [%eval 0.09] [%clk 0:19:29] } 41. Rg1 { [%eval 0.0] [%clk 0:10:06] } 41... Qd3 { [%eval 0.0] [%clk 0:19:45] } 42. Rg7+ { [%eval 0.0] [%clk 0:09:13] } 42... Kb6 { [%eval 0.0] [%clk 0:19:30] } 43. Qe7?? { [%eval -4.6] } { Blunder. Qd8+ was best. } { [%clk 0:05:33] } 43... Qf1+ { [%eval -4.71] [%clk 0:18:55] } 44. Rg1 { [%eval -4.88] [%clk 0:05:47] } 44... Qf3+ { [%eval -4.63] [%clk 0:19:18] } 45. Rg2 { [%eval -4.36] [%clk 0:06:05] } 45... Nd3?? { [%eval 0.0] } { Blunder. Qf1+ was best. } { [%clk 0:18:12] } 46. Qxf6+ { [%eval 0.0] [%clk 0:05:18] } 46... Kb5 { [%eval 0.0] [%clk 0:17:57] } 47. Qd4 { [%eval 0.0] [%clk 0:05:07] } 47... a5?? { [%eval 2.74] } { Blunder. Qf1+ was best. } { [%clk 0:17:07] } 48. Qe3?? { [%eval -0.88] } { Blunder. Be3 was best. } { [%clk 0:04:24] } 48... Qxf5?! { [%eval -0.18] } { Inaccuracy. d4 was best. } { [%clk 0:16:40] } 49. a4+ { [%eval -0.6] [%clk 0:03:07] } 49... Kxa4?! { [%eval 0.0] } { Inaccuracy. Ka6 was best. } { [%clk 0:16:06] } 50. Qd4+ { [%eval 0.0] [%clk 0:02:53] } 50... Kb5 { [%eval 0.0] [%clk 0:16:26] } 51. Be3 { [%eval 0.0] [%clk 0:03:02] } 51... Qf1+ { [%eval 0.0] [%clk 0:16:20] } 52. Rg1 { [%eval 0.0] [%clk 0:02:45] } 52... Qf3+ { [%eval 0.0] [%clk 0:16:42] } 53. Rg2 { [%eval 0.0] [%clk 0:03:09] } 53... Qf1+ { [%eval 0.0] [%clk 0:13:37] } 54. Rg1 { [%eval 0.0] [%clk 0:03:25] } 54... Qf3+ { [%eval 0.0] [%clk 0:13:14] } 55. Rg2 { [%eval 0.0] [%clk 0:03:44] } 55... Ba8 { [%eval 0.0] [%clk 0:12:30] } 56. Qb6+ { [%clk 0:03:31] } 56... Ka4 { [%clk 0:12:53] } 57. Qd4+ { [%clk 0:03:57] } 57... Kb3 { [%clk 0:13:07] } 58. h4 { [%clk 0:02:23] } 58... Bc6 { [%clk 0:12:02] } 59. Kh2 { [%clk 0:02:20] } 1/2-1/2