Event: Round 3: Van Riemsdijk, Herman C. - Markzon, Gregory
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-65/round-3/nfmwxHGJ/zIh7UmYw
Date: 2025-10-23
White: Van Riemsdijk, Herman C.
WhiteTitle: IM
WhiteElo: 2236
Black: Markzon, Gregory
BlackTitle: FM
BlackElo: 2079
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Lipnitsky Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:51] } 1... c5 { [%eval 0.24] [%clk 1:30:53] } 2. Nf3 { [%eval 0.2] [%clk 1:31:14] } 2... d6 { [%eval 0.31] [%clk 1:31:18] } 3. d4 { [%eval 0.22] [%clk 1:31:34] } 3... cxd4 { [%eval 0.19] [%clk 1:31:37] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:00] } 4... Nf6 { [%eval 0.31] [%clk 1:31:59] } 5. Nc3 { [%eval 0.32] [%clk 1:32:27] } 5... a6 { [%eval 0.25] [%clk 1:32:21] } 6. Bc4 { [%eval 0.03] [%clk 1:31:45] } 6... e6 { [%eval 0.06] [%clk 1:32:30] } 7. Bb3 { [%eval 0.0] [%clk 1:32:10] } 7... Be7 { [%eval 0.24] [%clk 1:31:58] } 8. Be3 { [%eval -0.05] [%clk 1:32:27] } 8... O-O { [%eval 0.31] [%clk 1:29:42] } 9. f4 { [%eval -0.15] [%clk 1:29:23] } 9... Nc6 { [%eval 0.14] [%clk 1:28:22] } 10. Qf3 { [%eval 0.0] [%clk 1:25:52] } 10... Bd7?! { [%eval 1.1] } { Inaccuracy. Nxd4 was best. } { [%clk 1:23:33] } 11. f5?! { [%eval 0.11] } { Inaccuracy. O-O-O was best. } { [%clk 1:24:11] } 11... Nxd4 { [%eval 0.15] [%clk 1:19:46] } 12. Bxd4 { [%eval 0.13] [%clk 1:24:31] } 12... e5 { [%eval 0.62] [%clk 1:18:55] } 13. Be3 { [%eval 0.44] [%clk 1:23:13] } 13... Rc8 { [%eval 0.55] [%clk 1:17:22] } 14. Bg5 { [%eval 0.51] [%clk 1:22:45] } 14... Rxc3? { [%eval 1.7] } { Mistake. b5 was best. } { [%clk 1:09:15] } 15. bxc3 { [%eval 1.64] [%clk 1:22:52] } 15... Bc6 { [%eval 1.6] [%clk 1:05:11] } 16. Bxf6 { [%eval 1.7] [%clk 1:22:10] } 16... Bxf6 { [%eval 1.63] [%clk 1:05:25] } 17. O-O { [%eval 1.73] [%clk 1:22:07] } 17... Qc7 { [%eval 1.72] [%clk 1:03:39] } 18. Rfd1 { [%eval 1.71] [%clk 1:17:24] } 18... Rc8 { [%eval 1.69] [%clk 1:03:29] } 19. a4 { [%eval 1.66] [%clk 1:11:32] } 19... Qa5 { [%eval 2.04] [%clk 0:53:03] } 20. Kh1 { [%eval 2.03] [%clk 1:10:16] } 20... Qc5 { [%eval 2.16] [%clk 0:51:20] } 21. Rd3 { [%eval 1.87] [%clk 1:09:51] } 21... b5 { [%eval 2.3] [%clk 0:50:09] } 22. axb5 { [%eval 2.07] [%clk 1:05:30] } 22... Bxb5 { [%eval 2.07] [%clk 0:43:01] } 23. Rd5 { [%eval 2.0] [%clk 1:05:22] } 23... Qc7 { [%eval 2.24] [%clk 0:41:52] } 24. Rad1 { [%eval 1.99] [%clk 1:00:06] } 24... Be7 { [%eval 2.39] [%clk 0:41:28] } 25. Qh5?! { [%eval 1.62] } { Inaccuracy. f6 was best. } { [%clk 0:49:33] } 25... Bf8 { [%eval 1.52] [%clk 0:40:34] } 26. Rxb5 { [%eval 1.73] [%clk 0:44:50] } 26... axb5 { [%eval 1.61] [%clk 0:40:40] } 27. g4 { [%eval 1.55] [%clk 0:44:48] } 27... Kh8 { [%eval 1.54] [%clk 0:33:41] } 28. Rd3?! { [%eval 0.71] } { Inaccuracy. Qxf7 was best. } { [%clk 0:44:43] } 28... g6 { [%eval 0.76] [%clk 0:32:51] } 29. Qh4 { [%eval 0.85] [%clk 0:44:08] } 29... Ra8?? { [%eval 3.95] } { Blunder. Qe7 was best. } { [%clk 0:23:40] } 30. Qf6+? { [%eval 2.32] } { Mistake. Rh3 was best. } { [%clk 0:42:01] } 30... Bg7 { [%eval 2.3] [%clk 0:22:06] } 31. Qxd6 { [%eval 2.34] [%clk 0:42:16] } 31... Qa7?? { [%eval 5.5] } { Blunder. Qa5 was best. } { [%clk 0:18:42] } 32. Kg2?! { [%eval 4.05] } { Inaccuracy. Qd8+ was best. } { [%clk 0:42:32] } 32... f6? { [%eval 8.94] } { Mistake. h6 was best. } { [%clk 0:08:44] } 33. fxg6 { [%eval 8.08] [%clk 0:42:49] } 33... h6? { [%eval #11] } { Checkmate is now unavoidable. Qb7 was best. } { [%clk 0:08:51] } 34. Qc6?? { [%eval 4.61] } { Lost forced checkmate sequence. Qd8+ was best. } { [%clk 0:39:54] } 34... Rf8 { [%eval 4.45] [%clk 0:07:08] } 35. Qxb5 { [%eval 4.47] [%clk 0:37:51] } 35... Qa1 { [%eval 4.42] [%clk 0:07:15] } 36. Qb6 { [%eval 4.33] [%clk 0:37:54] } 36... Qe1 { [%eval 4.88] [%clk 0:06:14] } 37. Qe3 { [%eval 5.0] [%clk 0:38:15] } 37... Qh4 { [%eval 5.3] [%clk 0:06:17] } 38. h3 { [%eval 5.37] [%clk 0:37:54] } 38... h5 { [%eval 5.54] [%clk 0:06:00] } 39. Qg3 { [%eval 5.41] [%clk 0:36:50] } 39... Qg5 { [%eval 5.9] [%clk 0:06:06] } 40. gxh5 { [%eval 5.36] [%clk 0:36:19] } 40... Qxh5 { [%eval 5.81] [%clk 0:06:21] } 41. Qg4 { [%eval 5.64] [%clk 0:36:00] } 41... Qh6 { [%eval 5.62] [%clk 0:06:01] } 42. Be6 { [%eval 6.01] [%clk 0:32:18] } 42... Qc1?? { [%eval #12] } { Checkmate is now unavoidable. f5 was best. } { [%clk 0:04:46] } 43. Qe2?? { [%eval 5.25] } { Lost forced checkmate sequence. Qh5+ was best. } { [%clk 0:32:21] } 43... Bh6 { [%eval 6.09] [%clk 0:04:26] } 44. Rd7 { [%eval 5.93] [%clk 0:31:49] } 1-0