Event: Round 6: Olivier Heurtebize (Sep) - Didier Collas (Sep)
Site: https://lichess.org/broadcast/french-chess-championship-2025--seniors-plus/round-6/21aEfQXZ/HHDQIVy2
White: Olivier Heurtebize (Sep)
Black: Didier Collas (Sep)
Result: 0-1
ECO: A05
Opening: Zukertort Opening: Quiet System
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:59] } 1... Nf6 { [%eval 0.18] [%clk 1:30:42] } 2. e3 { [%eval 0.01] [%clk 1:31:24] } 2... g6 { [%eval 0.24] [%clk 1:30:22] } 3. d4 { [%eval 0.23] [%clk 1:31:48] } 3... Bg7 { [%eval 0.19] [%clk 1:30:43] } 4. Bd3 { [%eval -0.02] [%clk 1:32:13] } 4... O-O { [%eval 0.15] [%clk 1:30:18] } 5. O-O { [%eval -0.1] [%clk 1:31:36] } 5... d5 { [%eval 0.0] [%clk 1:22:01] } 6. Nbd2 { [%eval -0.12] [%clk 1:31:56] } 6... c5 { [%eval -0.13] [%clk 1:18:47] } 7. c3 { [%eval -0.12] [%clk 1:31:08] } 7... Nbd7 { [%eval -0.16] [%clk 1:18:18] } 8. b4?! { [%eval -0.71] } { Inaccuracy. h3 was best. } { [%clk 1:24:57] } 8... b6 { [%eval -0.21] [%clk 1:12:40] } 9. Rb1?! { [%eval -0.91] } { Inaccuracy. bxc5 was best. } { [%clk 1:18:58] } 9... Qc7?! { [%eval 0.11] } { Inaccuracy. c4 was best. } { [%clk 1:12:01] } 10. h3? { [%eval -1.13] } { Mistake. bxc5 was best. } { [%clk 1:16:06] } 10... Bb7?! { [%eval -0.23] } { Inaccuracy. c4 was best. } { [%clk 1:11:19] } 11. bxc5 { [%eval -0.16] [%clk 1:11:38] } 11... bxc5 { [%eval -0.12] [%clk 1:11:43] } 12. Ba3 { [%eval -0.06] [%clk 1:11:56] } 12... Rfb8 { [%eval -0.05] [%clk 1:08:32] } 13. c4 { [%eval -0.17] [%clk 1:07:30] } 13... cxd4 { [%eval -0.08] [%clk 1:02:40] } 14. Nxd4 { [%eval -0.4] [%clk 1:07:31] } 14... Ne5 { [%eval -0.54] [%clk 1:02:58] } 15. Qc2 { [%eval -0.47] [%clk 0:58:46] } 15... Nxd3 { [%eval -0.51] [%clk 0:51:36] } 16. Qxd3 { [%eval -0.52] [%clk 0:59:07] } 16... dxc4 { [%eval -0.2] [%clk 0:51:52] } 17. Qxc4 { [%eval -0.28] [%clk 0:59:02] } 17... Qd7 { [%eval -0.02] [%clk 0:48:12] } 18. N2f3 { [%eval -0.17] [%clk 0:53:29] } 18... Bd5 { [%eval -0.25] [%clk 0:47:45] } 19. Qe2?! { [%eval -0.86] } { Inaccuracy. Qc5 was best. } { [%clk 0:51:56] } 19... Ne4 { [%eval -0.75] [%clk 0:47:58] } 20. Qd3 { [%eval -1.02] [%clk 0:49:07] } 20... e6 { [%eval -0.49] [%clk 0:43:49] } 21. Rbc1 { [%eval -0.98] [%clk 0:45:58] } 21... Rc8 { [%eval -0.8] [%clk 0:43:12] } 22. Rfd1? { [%eval -2.02] } { Mistake. Nd2 was best. } { [%clk 0:44:13] } 22... Qa4 { [%eval -2.04] [%clk 0:43:01] } 23. Re1 { [%eval -2.37] [%clk 0:37:28] } 23... h6 { [%eval -2.35] [%clk 0:34:01] } 24. Nb5 { [%eval -2.16] [%clk 0:34:13] } 24... Qa5 { [%eval -2.25] [%clk 0:28:40] } 25. Nfd4 { [%eval -2.2] [%clk 0:31:53] } 25... a6 { [%eval -2.15] [%clk 0:26:12] } 26. Nd6 { [%eval -2.19] [%clk 0:30:20] } 26... Rc3 { [%eval -2.11] [%clk 0:25:01] } 27. Rxc3 { [%eval -2.26] [%clk 0:29:27] } 27... Nxc3 { [%eval -2.0] [%clk 0:25:17] } 28. Bc1?? { [%eval -4.84] } { Blunder. Nc2 was best. } { [%clk 0:29:23] } 28... Ne4 { [%eval -4.87] [%clk 0:25:30] } 0-1