Event: Round 1: Sivirin, Viktor - Rooze, Jan
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-65/round-1/Cb9z7AQN/2bbH3pep
Date: 2025-10-21
White: Sivirin, Viktor
WhiteElo: 1887
Black: Rooze, Jan
BlackTitle: IM
BlackElo: 2152
Result: 0-1
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:56] } 1... c5 { [%eval 0.25] [%clk 1:30:56] } 2. c3 { [%eval 0.0] [%clk 1:31:06] } 2... Nf6 { [%eval 0.05] [%clk 1:30:09] } 3. d4 { [%eval 0.0] [%clk 1:31:30] } 3... g6 { [%eval 0.45] [%clk 1:29:42] } 4. Bg5 { [%eval 0.0] [%clk 1:31:49] } 4... Bg7 { [%eval 0.0] [%clk 1:29:37] } 5. Nbd2 { [%eval -0.07] [%clk 1:32:12] } 5... cxd4 { [%eval -0.12] [%clk 1:29:22] } 6. cxd4 { [%eval -0.1] [%clk 1:32:28] } 6... d5 { [%eval 0.07] [%clk 1:23:44] } 7. e3 { [%eval 0.04] [%clk 1:32:22] } 7... Nc6 { [%eval 0.07] [%clk 1:23:50] } 8. Bd3 { [%eval 0.04] [%clk 1:32:33] } 8... O-O { [%eval 0.1] [%clk 1:23:26] } 9. O-O { [%eval 0.05] [%clk 1:32:56] } 9... b6?! { [%eval 0.71] } { Inaccuracy. Qb6 was best. } { [%clk 1:19:27] } 10. a3 { [%eval 0.32] [%clk 1:32:16] } 10... Bb7 { [%eval 0.34] [%clk 1:19:03] } 11. b4 { [%eval 0.26] [%clk 1:32:19] } 11... Rc8 { [%eval 0.39] [%clk 1:15:48] } 12. Rc1 { [%eval 0.32] [%clk 1:32:10] } 12... Ne8 { [%eval 0.78] [%clk 1:11:53] } 13. Qb3 { [%eval 0.67] [%clk 1:28:51] } 13... Nd6 { [%eval 0.67] [%clk 1:04:24] } 14. Bf4 { [%eval 0.6] [%clk 1:24:19] } 14... e6 { [%eval 0.73] [%clk 1:02:39] } 15. a4 { [%eval 0.47] [%clk 1:18:49] } 15... Qd7 { [%eval 0.59] [%clk 1:01:04] } 16. a5?! { [%eval -0.08] } { Inaccuracy. h4 was best. } { [%clk 1:17:41] } 16... f6? { [%eval 1.19] } { Mistake. bxa5 was best. } { [%clk 0:56:00] } 17. Bg3?! { [%eval 0.17] } { Inaccuracy. Bxd6 was best. } { [%clk 1:16:14] } 17... Ne7 { [%eval 0.44] [%clk 0:51:44] } 18. b5 { [%eval 0.5] [%clk 1:12:05] } 18... Ne4 { [%eval 0.72] [%clk 0:49:16] } 19. a6 { [%eval 0.73] [%clk 1:07:23] } 19... Ba8 { [%eval 0.58] [%clk 0:48:06] } 20. Bf4? { [%eval -0.69] } { Mistake. Qb1 was best. } { [%clk 1:04:14] } 20... g5 { [%eval -0.67] [%clk 0:46:00] } 21. Bg3 { [%eval -0.65] [%clk 1:03:05] } 21... h5 { [%eval -0.58] [%clk 0:41:05] } 22. h3 { [%eval -0.52] [%clk 0:57:43] } 22... Nf5 { [%eval -0.63] [%clk 0:35:31] } 23. Bh2 { [%eval -1.1] [%clk 0:51:44] } 23... g4 { [%eval -1.16] [%clk 0:31:20] } 24. Nxe4 { [%eval -1.21] [%clk 0:51:39] } 24... dxe4 { [%eval -1.07] [%clk 0:31:10] } 25. Bc4? { [%eval -2.29] } { Mistake. hxg4 was best. } { [%clk 0:51:19] } 25... Rxc4 { [%eval -2.58] [%clk 0:29:26] } 26. Rxc4 { [%eval -2.22] [%clk 0:51:48] } 26... exf3 { [%eval -2.37] [%clk 0:29:35] } 27. Rc7 { [%eval -2.35] [%clk 0:52:10] } 27... Qd5?? { [%eval -0.12] } { Blunder. Qe8 was best. } { [%clk 0:29:48] } 28. Qxd5 { [%eval -0.41] [%clk 0:50:26] } 28... Bxd5 { [%eval -0.53] [%clk 0:29:59] } 29. Re1 { [%eval -0.73] [%clk 0:50:54] } 29... fxg2 { [%eval -0.56] [%clk 0:29:29] } 30. e4 { [%eval -0.35] [%clk 0:49:36] } 30... Nxd4 { [%eval -0.47] [%clk 0:24:15] } 31. Kxg2?? { [%eval -2.81] } { Blunder. exd5 was best. } { [%clk 0:49:36] } 31... Ba8 { [%eval -2.47] [%clk 0:23:24] } 32. Kg3? { [%eval -4.65] } { Mistake. Rxa7 was best. } { [%clk 0:48:07] } 32... Nxb5 { [%eval -4.5] [%clk 0:19:21] } 33. Re7 { [%eval -4.75] [%clk 0:48:17] } 33... e5 { [%eval -4.34] [%clk 0:17:43] } 34. hxg4 { [%eval -4.39] [%clk 0:48:07] } 34... hxg4 { [%eval -3.75] [%clk 0:16:41] } 35. Kxg4 { [%eval -3.6] [%clk 0:48:16] } 35... Bxe4 { [%eval -3.48] [%clk 0:16:41] } 36. Kh5 { [%eval -3.89] [%clk 0:46:22] } 36... Bd5 { [%eval -3.76] [%clk 0:15:35] } 37. f4 { [%eval -3.83] [%clk 0:44:04] } 37... Bf7+ { [%eval -3.71] [%clk 0:12:47] } 38. Kh4 { [%eval -4.27] [%clk 0:44:11] } 38... Nd4 { [%eval -4.08] [%clk 0:10:31] } 39. Kh3 { [%eval -4.26] [%clk 0:42:38] } 39... Be6+ { [%eval -4.21] [%clk 0:08:36] } 40. Kg2 { [%eval -4.08] [%clk 0:42:51] } 40... Bd5+ { [%eval -4.37] [%clk 0:08:43] } 41. Kf2 { [%eval -4.91] [%clk 0:43:19] } 41... Rc8 { [%eval -4.46] [%clk 0:04:27] } 42. Rg1 { [%eval -5.19] [%clk 0:33:59] } 42... Rc2+ { [%eval -5.11] [%clk 0:03:51] } 43. Ke1 { [%eval -4.5] [%clk 0:33:12] } 43... Nf3+ { [%eval -4.59] [%clk 0:28:33] } 44. Kd1 { [%eval -4.61] [%clk 1:03:24] } 44... Rd2+ { [%eval -4.33] [%clk 0:28:48] } 45. Kc1 { [%eval -4.23] [%clk 1:03:37] } 45... Nxg1 { [%eval -4.65] [%clk 0:29:12] } 46. Kxd2 { [%eval -4.47] [%clk 1:03:54] } 46... Nf3+ { [%eval -4.24] [%clk 0:29:36] } 47. Kc3 { [%eval -4.93] [%clk 1:02:19] } 47... Nxh2 { [%eval -4.72] [%clk 0:29:07] } 48. fxe5 { [%eval -5.18] [%clk 1:02:33] } 48... fxe5 { [%eval -5.02] [%clk 0:29:17] } 49. Rxa7 { [%eval -5.13] [%clk 1:02:58] } 49... e4+ { [%eval -5.06] [%clk 0:28:49] } 50. Kc2 { [%eval -4.79] [%clk 1:02:11] } 50... e3 { [%eval -5.71] [%clk 0:21:25] } 51. Kd3 { [%eval -5.63] [%clk 0:59:03] } 51... Ng4 { [%eval -5.21] [%clk 0:18:49] } 52. Rd7?? { [%eval #-13] } { Checkmate is now unavoidable. Rc7 was best. } { [%clk 0:59:23] } 52... Ne5+ { [%eval #-13] [%clk 0:19:12] } 0-1