Event: Round 1: Colangeli, Claudio - Mertens, Marc
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-1/eOeXvkzD/02Ntg1nN
Date: 2025-10-21
White: Colangeli, Claudio
WhiteElo: 1580
Black: Mertens, Marc
BlackElo: 2111
Result: 0-1
ECO: A56
Opening: Benoni Defense: Czech Benoni Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:28:51] } 1... Nf6 { [%eval 0.19] [%clk 1:30:51] } 2. c4 { [%eval 0.18] [%clk 1:28:35] } 2... c5 { [%eval 0.56] [%clk 1:31:11] } 3. d5 { [%eval 0.46] [%clk 1:28:21] } 3... e5 { [%eval 0.99] [%clk 1:31:31] } 4. dxe6?! { [%eval -0.03] } { Inaccuracy. Nc3 was best. } { [%clk 1:25:48] } 4... fxe6 { [%eval 0.0] [%clk 1:31:55] } 5. Nf3 { [%eval 0.0] [%clk 1:12:52] } 5... Nc6 { [%eval -0.01] [%clk 1:21:59] } 6. e3 { [%eval -0.36] [%clk 1:02:22] } 6... Be7 { [%eval -0.08] [%clk 1:19:16] } 7. Be2 { [%eval -0.3] [%clk 1:00:00] } 7... O-O { [%eval -0.24] [%clk 1:19:38] } 8. O-O { [%eval -0.29] [%clk 1:00:15] } 8... d5 { [%eval -0.25] [%clk 1:10:35] } 9. cxd5 { [%eval -0.76] [%clk 0:57:29] } 9... exd5 { [%eval -0.76] [%clk 1:10:55] } 10. b3 { [%eval -0.81] [%clk 0:57:24] } 10... Ne4 { [%eval -0.63] [%clk 0:50:08] } 11. Bb2 { [%eval -0.68] [%clk 0:56:37] } 11... Bf6 { [%eval -0.58] [%clk 0:50:23] } 12. Bxf6?! { [%eval -1.18] } { Inaccuracy. Qc1 was best. } { [%clk 0:54:50] } 12... Qxf6?! { [%eval -0.44] } { Inaccuracy. Rxf6 was best. } { [%clk 0:50:25] } 13. Qxd5+ { [%eval -0.54] [%clk 0:39:44] } 13... Kh8 { [%eval -0.27] [%clk 0:49:05] } 14. Qxe4 { [%eval -0.75] [%clk 0:39:26] } 14... Qxa1 { [%eval -0.33] [%clk 0:49:25] } 15. Ng5?? { [%eval -2.16] } { Blunder. Qc2 was best. } { [%clk 0:39:33] } 15... Bf5 { [%eval -2.1] [%clk 0:49:33] } 16. Qc4 { [%eval -2.14] [%clk 0:35:11] } 16... Ne5?! { [%eval -1.46] } { Inaccuracy. Qf6 was best. } { [%clk 0:39:06] } 17. Qxc5?! { [%eval -2.21] } { Inaccuracy. Qc3 was best. } { [%clk 0:17:11] } 17... Bxb1?! { [%eval -1.4] } { Inaccuracy. Rac8 was best. } { [%clk 0:36:00] } 18. f4? { [%eval -3.15] } { Mistake. Qc1 was best. } { [%clk 0:17:38] } 18... h6 { [%eval -3.21] [%clk 0:22:48] } 19. Ne6 { [%eval -3.07] [%clk 0:12:51] } 19... Rf6 { [%eval -3.01] [%clk 0:23:02] } 20. Nxg7?! { [%eval -4.13] } { Inaccuracy. Qxe5 was best. } { [%clk 0:09:39] } 20... Kxg7 { [%eval -4.18] [%clk 0:22:00] } 21. Qc1 { [%eval -4.65] [%clk 0:09:14] } 21... Qxa2 { [%eval -4.7] [%clk 0:15:26] } 0-1