Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-22
White: Bogumil, Tatiana
WhiteTitle: WGM
WhiteElo: 2096
Black: Birkholz, Olga
BlackTitle: WFM
BlackElo: 1975
Result: 1/2-1/2
ECO: A42
Opening: Modern Defense: Averbakh System
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. e4 { [%eval 0.18] [%clk 1:30:51] } 1... g6 { [%eval 0.48] [%clk 1:30:54] } 2. d4 { [%eval 0.48] [%clk 1:30:56] } 2... Bg7 { [%eval 0.48] [%clk 1:31:23] } 3. c4 { [%eval 0.48] [%clk 1:28:13] } 3... d6 { [%eval 0.49] [%clk 1:31:45] } 4. Nc3 { [%eval 0.46] [%clk 1:28:10] } 4... Nd7 { [%eval 0.71] [%clk 1:31:12] } 5. Be2 { [%eval 0.53] [%clk 1:25:41] } 5... e5 { [%eval 0.74] [%clk 1:29:36] } 6. Nf3 { [%eval 0.66] [%clk 1:25:52] } 6... a5 { [%eval 0.96] [%clk 1:25:37] } 7. Bg5 { [%eval 1.25] [%clk 1:20:40] } 7... f6 { [%eval 1.67] [%clk 1:25:15] } 8. Be3 { [%eval 1.69] [%clk 1:20:51] } 8... Nh6 { [%eval 1.67] [%clk 1:16:30] } 9. h3 { [%eval 1.41] [%clk 1:19:13] } 9... Nf7 { [%eval 1.62] [%clk 1:14:37] } 10. Qc2 { [%eval 1.22] [%clk 1:16:31] } 10... Bh6 { [%eval 1.24] [%clk 1:05:47] } 11. Bxh6 { [%eval 1.21] [%clk 1:10:50] } 11... Nxh6 { [%eval 1.18] [%clk 1:06:14] } 12. Qd2 { [%eval 0.91] [%clk 1:10:51] } 12... Nf7 { [%eval 0.92] [%clk 1:06:04] } 13. g4 { [%eval 0.5] [%clk 1:07:11] } 13... c6 { [%eval 0.64] [%clk 0:55:20] } 14. b3 { [%eval 0.42] [%clk 1:04:48] } 14... Qe7 { [%eval 0.57] [%clk 0:55:02] } 15. O-O-O { [%eval 0.46] [%clk 0:57:16] } 15... exd4 { [%eval 0.48] [%clk 0:47:31] } 16. Nxd4 { [%eval 0.53] [%clk 0:54:10] } 16... Nc5 { [%eval 0.55] [%clk 0:47:41] } 17. f4 { [%eval 0.33] [%clk 0:50:08] } 17... Bd7 { [%eval 0.44] [%clk 0:44:44] } 18. Bf3 { [%eval 0.22] [%clk 0:50:04] } 18... O-O-O { [%eval 0.72] [%clk 0:40:12] } 19. Rhe1 { [%eval 0.63] [%clk 0:47:56] } 19... Rde8?! { [%eval 1.4] } { Inaccuracy. g5 was best. } { [%clk 0:36:54] } 20. Kb2? { [%eval 0.02] } { Mistake. a3 was best. } { [%clk 0:47:49] } 20... Qd8 { [%eval 0.45] [%clk 0:36:24] } 21. Nc2 { [%eval 0.08] [%clk 0:44:02] } 21... Qb6 { [%eval 0.11] [%clk 0:25:33] } 22. Ka1 { [%eval 0.17] [%clk 0:41:18] } 22... Re6 { [%eval 0.57] [%clk 0:21:30] } 23. Na4 { [%eval 0.13] [%clk 0:24:24] } 23... Qc7 { [%eval 0.25] [%clk 0:10:44] } 24. Nd4 { [%eval 0.0] [%clk 0:14:45] } 24... Re7 { [%eval 0.13] [%clk 0:04:20] } 25. Nc3 { [%eval 0.16] [%clk 0:14:41] } 25... Rhe8 { [%eval 0.2] [%clk 0:04:10] } 1/2-1/2