Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-24
White: Bogdanov, Valentin
WhiteTitle: IM
WhiteElo: 2328
Black: Lederman, Leon
BlackTitle: IM
BlackElo: 2201
Result: 1/2-1/2
ECO: D52
Opening: Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... d5 { [%eval 0.24] [%clk 1:30:51] } 2. c4 { [%eval 0.19] [%clk 1:31:10] } 2... e6 { [%eval 0.27] [%clk 1:31:16] } 3. Nc3 { [%eval 0.18] [%clk 1:31:24] } 3... Nf6 { [%eval 0.24] [%clk 1:31:42] } 4. Bg5 { [%eval 0.11] [%clk 1:31:42] } 4... c6 { [%eval 0.32] [%clk 1:31:56] } 5. e3 { [%eval 0.28] [%clk 1:32:03] } 5... Nbd7 { [%eval 0.27] [%clk 1:32:21] } 6. Nf3 { [%eval 0.19] [%clk 1:31:54] } 6... Qa5 { [%eval 0.2] [%clk 1:32:45] } 7. cxd5 { [%eval 0.28] [%clk 1:30:50] } 7... Nxd5 { [%eval 0.19] [%clk 1:31:33] } 8. Qd2 { [%eval 0.24] [%clk 1:30:25] } 8... Bb4 { [%eval 0.27] [%clk 1:31:31] } 9. Rc1 { [%eval 0.26] [%clk 1:30:46] } 9... O-O { [%eval 0.55] [%clk 1:31:54] } 10. a3 { [%eval 0.44] [%clk 1:25:01] } 10... Bd6 { [%eval 0.67] [%clk 1:21:35] } 11. Bd3 { [%eval 0.3] [%clk 1:15:34] } 11... Nxc3 { [%eval 0.35] [%clk 1:18:45] } 12. Rxc3 { [%eval 0.39] [%clk 1:15:07] } 12... e5 { [%eval 0.46] [%clk 1:19:07] } 13. b4 { [%eval 0.17] [%clk 1:13:43] } 13... Qc7 { [%eval 0.17] [%clk 1:17:48] } 14. d5? { [%eval -1.0] } { Mistake. Bb1 was best. } { [%clk 1:11:15] } 14... c5? { [%eval 0.51] } { Mistake. a5 was best. } { [%clk 1:17:56] } 15. Qc2?! { [%eval -0.09] } { Inaccuracy. e4 was best. } { [%clk 1:09:10] } 15... h6 { [%eval 0.0] [%clk 1:16:32] } 16. Bh4 { [%eval 0.0] [%clk 1:09:31] } 16... a5 { [%eval 0.51] [%clk 1:13:41] } 17. bxc5?! { [%eval -0.11] } { Inaccuracy. O-O was best. } { [%clk 1:07:02] } 17... Nxc5 { [%eval -0.07] [%clk 1:07:24] } 18. Nxe5 { [%eval -0.07] [%clk 1:02:29] } 18... b6 { [%eval -0.15] [%clk 1:01:25] } 19. Bh7+ { [%eval -0.44] [%clk 0:49:59] } 19... Kh8 { [%eval -0.67] [%clk 1:01:18] } 20. Nc4?! { [%eval -1.41] } { Inaccuracy. Nc6 was best. } { [%clk 0:50:11] } 20... Ba6? { [%eval 0.0] } { Mistake. f5 was best. } { [%clk 0:58:43] } 21. Bg3 { [%eval 0.0] [%clk 0:49:21] } 21... Bxg3 { [%eval 0.0] [%clk 0:56:23] } 22. hxg3 { [%eval 0.0] [%clk 0:49:49] } 22... Bxc4 { [%eval 0.0] [%clk 0:56:29] } 23. Rxc4 { [%eval 0.0] [%clk 0:49:17] } 23... Qe5 { [%eval 0.0] [%clk 0:54:25] } 24. Bf5 { [%eval 0.0] [%clk 0:42:25] } 24... Qxd5 { [%eval 0.19] [%clk 0:51:59] } 25. O-O { [%eval 0.14] [%clk 0:42:22] } 1/2-1/2