Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-26
White: Birkholz, Olga
WhiteTitle: WFM
WhiteElo: 1975
Black: Alexieva, Silvia
BlackTitle: IM
BlackElo: 2180
Result: 0-1
ECO: B40
Opening: Sicilian Defense: French Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. Nf3 { [%eval 0.14] [%clk 1:30:58] } 1... c5 { [%eval 0.25] [%clk 1:30:11] } 2. e4 { [%eval 0.21] [%clk 1:30:03] } 2... e6 { [%eval 0.28] [%clk 1:30:05] } 3. Qe2 { [%eval -0.12] [%clk 1:30:19] } 3... Nc6 { [%eval -0.07] [%clk 1:29:32] } 4. g3 { [%eval -0.02] [%clk 1:30:37] } 4... Nf6 { [%eval 0.0] [%clk 1:27:02] } 5. Bg2 { [%eval 0.02] [%clk 1:26:25] } 5... d5 { [%eval 0.08] [%clk 1:28:11] } 6. e5 { [%eval -0.25] [%clk 1:25:36] } 6... Nd7 { [%eval -0.27] [%clk 1:28:36] } 7. O-O { [%eval -0.4] [%clk 1:24:43] } 7... Be7 { [%eval -0.21] [%clk 1:26:47] } 8. a4 { [%eval -0.66] [%clk 1:25:31] } 8... a6 { [%eval -0.35] [%clk 1:24:48] } 9. Re1 { [%eval -0.86] [%clk 1:24:56] } 9... Rb8?! { [%eval -0.01] } { Inaccuracy. g5 was best. } { [%clk 1:23:22] } 10. h4 { [%eval -0.15] [%clk 1:17:47] } 10... h6 { [%eval 0.07] [%clk 1:22:00] } 11. b3 { [%eval -0.22] [%clk 1:13:58] } 11... b5 { [%eval -0.15] [%clk 1:16:18] } 12. axb5 { [%eval -0.29] [%clk 0:59:10] } 12... axb5 { [%eval -0.39] [%clk 1:16:43] } 13. d3 { [%eval -0.51] [%clk 0:54:36] } 13... b4 { [%eval -0.43] [%clk 1:12:38] } 14. Bb2 { [%eval -0.47] [%clk 0:57:35] } 14... Qb6 { [%eval -0.22] [%clk 1:10:05] } 15. Nbd2 { [%eval -0.15] [%clk 0:56:59] } 15... Ba6 { [%eval 0.12] [%clk 1:00:38] } 16. Ra2 { [%eval -0.34] [%clk 0:56:08] } 16... Rc8 { [%eval 0.01] [%clk 1:00:39] } 17. Nh2 { [%eval 0.13] [%clk 0:53:23] } 17... Nd4?! { [%eval 1.07] } { Inaccuracy. Bb7 was best. } { [%clk 0:56:10] } 18. Bxd4 { [%eval 1.05] [%clk 0:50:40] } 18... cxd4 { [%eval 1.13] [%clk 0:56:35] } 19. Qg4 { [%eval 1.18] [%clk 0:49:15] } 19... g6 { [%eval 1.39] [%clk 0:52:53] } 20. h5 { [%eval 1.52] [%clk 0:49:32] } 20... Nf8 { [%eval 1.53] [%clk 0:41:53] } 21. hxg6 { [%eval 1.32] [%clk 0:43:58] } 21... fxg6 { [%eval 1.55] [%clk 0:47:03] } 22. Nhf3 { [%eval 1.23] [%clk 0:40:21] } 22... Bc5 { [%eval 1.47] [%clk 0:46:17] } 23. Nh4 { [%eval 1.03] [%clk 0:41:37] } 23... Rg8 { [%eval 1.51] [%clk 0:44:26] } 24. f4 { [%eval 0.98] [%clk 0:33:07] } 24... Rc7 { [%eval 1.54] [%clk 0:29:34] } 25. f5? { [%eval 0.0] } { Mistake. Rea1 was best. } { [%clk 0:35:45] } 25... h5 { [%eval 0.0] [%clk 0:29:46] } 26. Qe2?! { [%eval -0.78] } { Inaccuracy. Qg5 was best. } { [%clk 0:35:48] } 26... gxf5 { [%eval -0.6] [%clk 0:29:25] } 27. Qxh5+? { [%eval -1.77] } { Mistake. Rea1 was best. } { [%clk 0:35:54] } 27... Kd8 { [%eval -1.63] [%clk 0:25:09] } 28. Nf1 { [%eval -1.8] [%clk 0:29:40] } 28... Rh7 { [%eval -1.82] [%clk 0:27:59] } 29. Qf3 { [%eval -1.94] [%clk 0:29:58] } 29... Rg5 { [%eval -1.72] [%clk 0:23:32] } 30. Qf2 { [%eval -1.82] [%clk 0:21:53] } 30... Bb7 { [%eval -1.89] [%clk 0:23:11] } 31. Nf3 { [%eval -1.72] [%clk 0:17:54] } 31... Rg8 { [%eval -1.78] [%clk 0:21:11] } 32. Rea1 { [%eval -1.98] [%clk 0:16:43] } 32... Rhg7 { [%eval -1.76] [%clk 0:18:30] } 33. Qd2 { [%eval -2.21] [%clk 0:16:30] } 33... Be7 { [%eval -1.79] [%clk 0:16:37] } 34. Kf2 { [%eval -1.99] [%clk 0:15:32] } 34... Nh7 { [%eval -1.78] [%clk 0:14:01] } 35. Ra4 { [%eval -1.72] [%clk 0:11:52] } 35... Ng5 { [%eval -1.4] [%clk 0:12:22] } 36. Nxg5 { [%eval -1.54] [%clk 0:10:07] } 36... Rxg5 { [%eval -1.44] [%clk 0:14:39] } 37. Bf3 { [%eval -1.59] [%clk 0:09:27] } 37... f4 { [%eval -1.28] [%clk 0:10:05] } 38. Qxf4 { [%eval -1.55] [%clk 0:07:36] } 38... Rf5? { [%eval -0.42] } { Mistake. Qc6 was best. } { [%clk 0:06:45] } 39. Qh6 { [%eval -0.97] [%clk 0:03:55] } 39... Kd7?! { [%eval -0.04] } { Inaccuracy. Qc6 was best. } { [%clk 0:04:29] } 40. Nh2?! { [%eval -1.1] } { Inaccuracy. Ra7 was best. } { [%clk 0:03:53] } 40... Qc7 { [%eval -1.37] [%clk 0:00:48] } 41. R1a2?? { [%eval -5.66] } { Blunder. Ra7 was best. } { [%clk 0:29:11] } 41... Qxe5 { [%eval -5.58] [%clk 0:31:58] } 42. g4 { [%eval -6.95] [%clk 0:24:41] } 42... Rh8 { [%eval -6.79] [%clk 0:30:58] } 43. Qxh8 { [%eval -6.61] [%clk 0:25:33] } 43... Qxh8 { [%eval -6.97] [%clk 0:31:22] } 44. gxf5 { [%eval -8.26] [%clk 0:25:48] } 44... Qxh2+ { [%eval -8.14] [%clk 0:31:46] } 45. Kf1 { [%eval -7.94] [%clk 0:25:29] } 45... Qh3+ { [%eval -7.27] [%clk 0:28:02] } 46. Ke2 { [%eval -8.11] [%clk 0:25:18] } 46... Bh4 { [%eval -7.69] [%clk 0:22:39] } 47. fxe6+? { [%eval #-7] } { Checkmate is now unavoidable. c3 was best. } { [%clk 0:21:09] } 47... Qxe6+ { [%eval #-6] [%clk 0:27:22] } 0-1