Event: Round 10: Olivier, Pierre - Balzer, Lars
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-10/WJ0RkIBs/KeRrm7JS
Date: 2025-10-31
White: Olivier, Pierre
WhiteElo: 2149
Black: Balzer, Lars
BlackElo: 1979
Result: 1/2-1/2
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... g6 { [%eval 0.57] [%clk 1:30:50] } 2. c4 { [%eval 0.29] [%clk 1:31:10] } 2... Bg7 { [%eval 0.51] [%clk 1:31:06] } 3. e4 { [%eval 0.46] [%clk 1:31:33] } 3... d6 { [%eval 0.55] [%clk 1:31:30] } 4. Nc3 { [%eval 0.43] [%clk 1:31:59] } 4... Nf6 { [%eval 0.55] [%clk 1:31:54] } 5. Be2 { [%eval 0.51] [%clk 1:31:56] } 5... O-O { [%eval 0.48] [%clk 1:30:45] } 6. Be3 { [%eval 0.5] [%clk 1:31:44] } 6... e5 { [%eval 0.61] [%clk 1:29:42] } 7. d5 { [%eval 0.51] [%clk 1:31:55] } 7... Nbd7 { [%eval 0.65] [%clk 1:27:45] } 8. h4 { [%eval 0.65] [%clk 1:30:15] } 8... Nc5 { [%eval 0.64] [%clk 1:26:56] } 9. Qc2 { [%eval 0.67] [%clk 1:29:17] } 9... a5 { [%eval 0.96] [%clk 1:27:17] } 10. h5 { [%eval 0.84] [%clk 1:28:37] } 10... c6 { [%eval 1.24] [%clk 1:26:16] } 11. h6 { [%eval 1.1] [%clk 1:24:03] } 11... Bh8 { [%eval 1.08] [%clk 1:26:33] } 12. f3 { [%eval 0.9] [%clk 1:24:25] } 12... cxd5 { [%eval 0.93] [%clk 1:25:44] } 13. cxd5 { [%eval 0.87] [%clk 1:24:52] } 13... Bd7 { [%eval 0.79] [%clk 1:20:01] } 14. Bxc5 { [%eval 0.34] [%clk 1:09:20] } 14... dxc5 { [%eval 0.29] [%clk 1:19:50] } 15. a4 { [%eval 0.3] [%clk 1:09:41] } 15... Ne8 { [%eval 0.2] [%clk 1:14:44] } 16. Nb5 { [%eval -0.18] [%clk 1:03:39] } 16... Rc8 { [%eval 0.0] [%clk 1:12:35] } 17. Na7 { [%eval -0.11] [%clk 1:01:45] } 17... Ra8 { [%eval -0.11] [%clk 1:12:56] } 18. Nb5 { [%eval -0.19] [%clk 1:02:06] } 18... Rc8 { [%eval 0.0] [%clk 1:13:08] } 1/2-1/2