Event: Round 4: Mertens, Marc - Van Ketel, Raoul
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-4/falyFzrg/avYEBGlP
Date: 2025-10-24
White: Mertens, Marc
WhiteElo: 2111
Black: Van Ketel, Raoul
BlackTitle: FM
BlackElo: 2191
Result: 0-1
ECO: C07
Opening: French Defense: Tarrasch Variation, Open System, Euwe-Keres Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... e6 { [%eval 0.3] [%clk 1:30:55] } 2. d4 { [%eval 0.29] [%clk 1:31:22] } 2... d5 { [%eval 0.31] [%clk 1:31:19] } 3. Nd2 { [%eval 0.1] [%clk 1:31:39] } 3... c5 { [%eval 0.17] [%clk 1:31:42] } 4. Ngf3 { [%eval 0.09] [%clk 1:31:53] } 4... cxd4 { [%eval 0.22] [%clk 1:32:00] } 5. Nxd4 { [%eval 0.07] [%clk 1:32:04] } 5... Nf6 { [%eval 0.07] [%clk 1:32:14] } 6. Bd3 { [%eval -0.1] [%clk 1:21:25] } 6... Nc6 { [%eval 0.12] [%clk 1:29:55] } 7. Nxc6 { [%eval 0.05] [%clk 1:21:34] } 7... bxc6 { [%eval 0.01] [%clk 1:30:20] } 8. Qe2 { [%eval -0.03] [%clk 1:21:58] } 8... Be7 { [%eval -0.06] [%clk 1:26:50] } 9. O-O { [%eval 0.01] [%clk 1:22:14] } 9... O-O { [%eval 0.07] [%clk 1:14:58] } 10. Re1 { [%eval -0.06] [%clk 1:13:43] } 10... a5 { [%eval 0.05] [%clk 1:10:45] } 11. e5 { [%eval -0.01] [%clk 0:55:14] } 11... Nd7 { [%eval -0.06] [%clk 1:09:37] } 12. Qh5?! { [%eval -0.85] } { Inaccuracy. c4 was best. } { [%clk 0:51:14] } 12... f5 { [%eval -0.91] [%clk 0:53:45] } 13. Nf3 { [%eval -0.89] [%clk 0:48:25] } 13... Nc5 { [%eval -0.96] [%clk 0:47:58] } 14. Bg5 { [%eval -0.94] [%clk 0:39:20] } 14... Bd7 { [%eval -0.83] [%clk 0:46:41] } 15. Rad1 { [%eval -1.1] [%clk 0:34:53] } 15... Ne4 { [%eval -1.05] [%clk 0:43:17] } 16. Bxe7 { [%eval -0.93] [%clk 0:32:20] } 16... Qxe7 { [%eval -1.1] [%clk 0:43:44] } 17. c4 { [%eval -1.0] [%clk 0:23:40] } 17... Rfb8 { [%eval -0.78] [%clk 0:33:33] } 18. b3 { [%eval -0.8] [%clk 0:19:00] } 18... Be8?! { [%eval -0.25] } { Inaccuracy. Nc3 was best. } { [%clk 0:32:05] } 19. Qh3 { [%eval -0.16] [%clk 0:18:45] } 19... Ng5 { [%eval -0.13] [%clk 0:31:02] } 20. Nxg5 { [%eval -0.16] [%clk 0:16:25] } 20... Qxg5 { [%eval -0.2] [%clk 0:31:30] } 21. Qe3 { [%eval -0.39] [%clk 0:09:40] } 21... Qxe3 { [%eval -0.56] [%clk 0:28:27] } 22. Rxe3 { [%eval -1.04] [%clk 0:10:08] } 22... d4 { [%eval -0.99] [%clk 0:28:48] } 23. Rh3 { [%eval -1.48] [%clk 0:07:04] } 23... h6?? { [%eval 1.51] } { Blunder. c5 was best. } { [%clk 0:27:22] } 24. c5 { [%eval 1.43] [%clk 0:06:27] } 24... a4 { [%eval 1.48] [%clk 0:17:08] } 25. Bc4 { [%eval 1.48] [%clk 0:06:51] } 25... axb3 { [%eval 1.38] [%clk 0:17:33] } 26. Rxb3 { [%eval 1.47] [%clk 0:06:38] } 26... Rd8 { [%eval 1.42] [%clk 0:12:13] } 27. Rbd3 { [%eval 0.87] [%clk 0:05:31] } 27... Ra5?! { [%eval 1.46] } { Inaccuracy. Kf7 was best. } { [%clk 0:08:53] } 28. Rxd4?! { [%eval 0.79] } { Inaccuracy. Bxe6+ was best. } { [%clk 0:05:46] } 28... Rxd4 { [%eval 0.54] [%clk 0:09:22] } 29. Rxd4 { [%eval 0.64] [%clk 0:06:07] } 29... Rxc5 { [%eval 0.89] [%clk 0:09:42] } 30. f4 { [%eval 1.03] [%clk 0:06:22] } 30... Kf7 { [%eval 0.77] [%clk 0:09:46] } 31. Kf2 { [%eval 0.73] [%clk 0:06:32] } 31... Ke7 { [%eval 0.78] [%clk 0:10:01] } 32. Ke3 { [%eval 0.8] [%clk 0:06:46] } 32... Bd7 { [%eval 0.85] [%clk 0:08:42] } 33. Kd3 { [%eval 0.8] [%clk 0:06:55] } 33... g5 { [%eval 0.93] [%clk 0:06:06] } 34. g3 { [%eval 1.03] [%clk 0:07:19] } 34... Ra5 { [%eval 1.01] [%clk 0:05:29] } 35. Kc3 { [%eval 0.75] [%clk 0:06:34] } 35... c5 { [%eval 0.84] [%clk 0:04:26] } 36. Rd6 { [%eval 0.89] [%clk 0:06:58] } 36... Ra8?! { [%eval 1.69] } { Inaccuracy. Ra3+ was best. } { [%clk 0:04:04] } 37. Bb3?! { [%eval 0.9] } { Inaccuracy. Ra6 was best. } { [%clk 0:04:27] } 37... gxf4 { [%eval 1.01] [%clk 0:03:58] } 38. gxf4 { [%eval 0.77] [%clk 0:04:56] } 38... Rg8 { [%eval 0.78] [%clk 0:03:10] } 39. Rd3?! { [%eval 0.0] } { Inaccuracy. a4 was best. } { [%clk 0:01:51] } 39... Rg2 { [%eval 0.25] [%clk 0:02:10] } 40. Rh3 { [%eval 0.02] [%clk 0:01:45] } 40... Rf2 { [%eval 0.01] [%clk 0:00:42] } 41. Rh4 { [%eval 0.0] [%clk 0:28:58] } 41... Bb5 { [%eval 0.0] [%clk 0:27:03] } 42. Rxh6 { [%eval 0.0] [%clk 0:28:46] } 42... Rf3+ { [%eval 0.17] [%clk 0:27:01] } 43. Kd2 { [%eval 0.0] [%clk 0:27:53] } 43... c4 { [%eval 0.0] [%clk 0:27:20] } 44. Rh7+ { [%eval -0.24] [%clk 0:27:18] } 44... Kd8 { [%eval -0.55] [%clk 0:27:24] } 45. Bc2?? { [%eval #-7] } { Checkmate is now unavoidable. a4 was best. } { [%clk 0:27:23] } 45... c3+ { [%eval #-6] [%clk 0:26:48] } 46. Kc1 { [%eval #-6] [%clk 0:25:22] } 46... Rf1+ { [%eval #-5] [%clk 0:27:12] } 47. Bd1 { [%eval #-5] [%clk 0:25:49] } 47... Ba4 { [%eval #-4] [%clk 0:27:33] } 0-1