Event: Round 3: Obsivac, Josef - Van der Werf, Mark
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-3/LuQfdZ94/4rMmNjq1
Date: 2025-10-23
White: Obsivac, Josef
WhiteTitle: FM
WhiteElo: 2236
Black: Van der Werf, Mark
BlackTitle: IM
BlackElo: 2395
Result: 1/2-1/2
ECO: D02
Opening: Queen's Pawn Game: Zukertort Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... d5 { [%eval 0.18] [%clk 1:30:54] } 2. Nf3 { [%eval 0.08] [%clk 1:31:07] } 2... e6 { [%eval 0.19] [%clk 1:31:06] } 3. c4 { [%eval 0.11] [%clk 1:31:03] } 3... c6 { [%eval 0.28] [%clk 1:31:14] } 4. Qb3 { [%eval 0.17] [%clk 1:26:29] } 4... Nf6 { [%eval 0.02] [%clk 1:31:11] } 5. Bg5 { [%eval 0.03] [%clk 1:26:21] } 5... dxc4 { [%eval 0.12] [%clk 1:30:05] } 6. Qxc4 { [%eval 0.02] [%clk 1:26:24] } 6... b5 { [%eval 0.32] [%clk 1:30:31] } 7. Qd3 { [%eval 0.11] [%clk 1:24:12] } 7... Bb7 { [%eval 0.23] [%clk 1:29:29] } 8. Nbd2 { [%eval -0.02] [%clk 1:20:01] } 8... Nbd7 { [%eval -0.02] [%clk 1:29:43] } 9. g3 { [%eval -0.03] [%clk 1:18:51] } 9... Qb6 { [%eval -0.01] [%clk 1:25:29] } 10. Bg2 { [%eval -0.08] [%clk 1:14:50] } 10... c5 { [%eval -0.1] [%clk 1:24:21] } 11. O-O { [%eval -0.5] [%clk 1:14:22] } 11... Rc8 { [%eval -0.04] [%clk 1:14:19] } 12. Rac1?! { [%eval -0.77] } { Inaccuracy. b3 was best. } { [%clk 1:08:44] } 12... c4 { [%eval -0.75] [%clk 1:12:06] } 13. Qb1 { [%eval -0.9] [%clk 1:06:07] } 13... h6 { [%eval -0.97] [%clk 1:12:21] } 14. Bf4 { [%eval -1.03] [%clk 0:54:37] } 14... Nd5 { [%eval -0.86] [%clk 1:08:40] } 15. Ne4?! { [%eval -1.84] } { Inaccuracy. a4 was best. } { [%clk 0:54:11] } 15... Nxf4?! { [%eval -1.2] } { Inaccuracy. f5 was best. } { [%clk 1:02:52] } 16. gxf4 { [%eval -1.17] [%clk 0:51:49] } 16... Bxe4?! { [%eval -0.21] } { Inaccuracy. f5 was best. } { [%clk 0:57:18] } 17. Qxe4 { [%eval -0.22] [%clk 0:52:04] } 17... Nf6 { [%eval -0.21] [%clk 0:57:43] } 18. Qb1 { [%eval -0.25] [%clk 0:50:24] } 18... Bd6 { [%eval -0.23] [%clk 0:49:54] } 19. e3 { [%eval -0.26] [%clk 0:49:48] } 19... O-O { [%eval -0.4] [%clk 0:50:17] } 20. Ne5 { [%eval -0.4] [%clk 0:47:42] } 1/2-1/2