Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-28
White: Malmdin, Nils-Ake
WhiteTitle: FM
WhiteElo: 2058
Black: Lederman, Leon
BlackTitle: IM
BlackElo: 2201
Result: 0-1
ECO: B93
Opening: Sicilian Defense: Najdorf Variation, Amsterdam Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. e4 { [%eval 0.18] [%clk 1:30:42] } 1... c5 { [%eval 0.25] [%clk 1:30:51] } 2. Nf3 { [%eval 0.21] [%clk 1:31:01] } 2... d6 { [%eval 0.21] [%clk 1:31:17] } 3. Nc3 { [%eval 0.21] [%clk 1:30:56] } 3... a6 { [%eval 0.31] [%clk 1:31:16] } 4. d4 { [%eval 0.36] [%clk 1:31:07] } 4... cxd4 { [%eval 0.37] [%clk 1:31:42] } 5. Nxd4 { [%eval 0.31] [%clk 1:31:18] } 5... Nf6 { [%eval 0.2] [%clk 1:32:08] } 6. f4 { [%eval 0.0] [%clk 1:27:05] } 6... e5 { [%eval 0.11] [%clk 1:30:59] } 7. Nf3 { [%eval 0.02] [%clk 1:27:15] } 7... Qc7 { [%eval 0.04] [%clk 1:31:09] } 8. Bd3 { [%eval 0.15] [%clk 1:26:45] } 8... g6 { [%eval 0.61] [%clk 1:31:19] } 9. fxe5 { [%eval 0.5] [%clk 1:23:35] } 9... dxe5 { [%eval 0.56] [%clk 1:31:20] } 10. Bg5 { [%eval 0.32] [%clk 1:23:23] } 10... Nbd7 { [%eval 0.32] [%clk 1:31:14] } 11. Qd2 { [%eval 0.0] [%clk 1:10:35] } 11... Bg7 { [%eval -0.05] [%clk 1:30:37] } 12. O-O-O { [%eval -0.16] [%clk 1:01:42] } 12... O-O { [%eval 0.22] [%clk 1:29:11] } 13. h3?! { [%eval -0.79] } { Inaccuracy. h4 was best. } { [%clk 0:49:43] } 13... b5 { [%eval -0.83] [%clk 1:28:57] } 14. Bh6 { [%eval -0.84] [%clk 0:47:49] } 14... Bb7 { [%eval -0.78] [%clk 1:22:04] } 15. a3 { [%eval -0.58] [%clk 0:46:22] } 15... Nc5 { [%eval -0.59] [%clk 1:20:22] } 16. Bxg7 { [%eval -0.63] [%clk 0:45:10] } 16... Kxg7 { [%eval -0.61] [%clk 1:19:07] } 17. Qg5?? { [%eval -2.53] } { Blunder. Qe3 was best. } { [%clk 0:42:01] } 17... Ncxe4 { [%eval -2.72] [%clk 1:15:48] } 18. Nxe4 { [%eval -2.72] [%clk 0:42:02] } 18... Nxe4 { [%eval -2.75] [%clk 1:16:13] } 19. Bxe4 { [%eval -2.66] [%clk 0:36:31] } 19... Bxe4 { [%eval -2.61] [%clk 1:16:39] } 20. Rd2 { [%eval -2.67] [%clk 0:36:45] } 20... Rad8 { [%eval -2.72] [%clk 1:08:56] } 21. Rhd1 { [%eval -2.94] [%clk 0:36:44] } 21... Rxd2 { [%eval -2.85] [%clk 1:05:04] } 22. Rxd2 { [%eval -2.83] [%clk 0:37:02] } 22... Re8 { [%eval -2.6] [%clk 1:00:55] } 23. Qe3 { [%eval -2.7] [%clk 0:36:53] } 23... Bb7?! { [%eval -2.0] } { Inaccuracy. Bxf3 was best. } { [%clk 0:58:20] } 24. Kb1?! { [%eval -2.69] } { Inaccuracy. Ne1 was best. } { [%clk 0:36:35] } 24... f5 { [%eval -2.64] [%clk 0:58:12] } 25. g3 { [%eval -2.68] [%clk 0:29:43] } 25... Re7 { [%eval -2.44] [%clk 0:57:59] } 26. Re2?! { [%eval -3.26] } { Inaccuracy. Nh2 was best. } { [%clk 0:28:42] } 26... Be4?! { [%eval -2.19] } { Inaccuracy. Bxf3 was best. } { [%clk 0:52:49] } 27. Ng5 { [%eval -2.2] [%clk 0:27:24] } 27... Bd5 { [%eval -2.14] [%clk 0:53:07] } 28. h4 { [%eval -2.36] [%clk 0:25:03] } 28... Qc4 { [%eval -1.91] [%clk 0:46:49] } 29. b3 { [%eval -1.94] [%clk 0:24:57] } 29... Qc6 { [%eval -2.02] [%clk 0:47:12] } 30. Nh3 { [%eval -1.81] [%clk 0:21:35] } 30... a5 { [%eval -1.46] [%clk 0:27:42] } 31. Kb2?! { [%eval -2.36] } { Inaccuracy. h5 was best. } { [%clk 0:18:20] } 31... a4 { [%eval -1.85] [%clk 0:26:26] } 32. Qc3?! { [%eval -3.05] } { Inaccuracy. h5 was best. } { [%clk 0:15:28] } 32... Qf6 { [%eval -2.52] [%clk 0:18:59] } 33. Nf4 { [%eval -2.66] [%clk 0:13:16] } 33... Bf3 { [%eval -2.67] [%clk 0:15:40] } 34. Re3 { [%eval -2.64] [%clk 0:13:02] } 34... Bb7 { [%eval -2.3] [%clk 0:14:53] } 35. Nd3 { [%eval -2.88] [%clk 0:12:01] } 35... axb3?? { [%eval 0.0] } { Blunder. e4 was best. } { [%clk 0:15:05] } 36. cxb3?? { [%eval -2.6] } { Blunder. Rxe5 was best. } { [%clk 0:11:25] } 36... e4 { [%eval -2.67] [%clk 0:14:11] } 37. Nc5 { [%eval -2.79] [%clk 0:08:40] } 37... Bc6 { [%eval -3.04] [%clk 0:13:02] } 38. Qxf6+ { [%eval -3.48] [%clk 0:04:17] } 38... Kxf6 { [%eval -3.47] [%clk 0:13:28] } 39. Kc3 { [%eval -3.58] [%clk 0:04:03] } 39... h6 { [%eval -3.42] [%clk 0:13:50] } 40. Kb4?! { [%eval -4.81] } { Inaccuracy. Kd4 was best. } { [%clk 0:03:00] } 40... g5 { [%eval -5.2] [%clk 0:14:08] } 41. hxg5+ { [%eval -4.77] [%clk 0:03:05] } 41... hxg5 { [%eval -4.71] [%clk 0:14:36] } 42. a4 { [%eval -5.05] [%clk 0:25:45] } 42... bxa4 { [%eval -5.31] [%clk 0:45:00] } 43. bxa4 { [%eval -5.31] [%clk 0:25:39] } 43... f4 { [%eval -5.43] [%clk 0:45:11] } 44. gxf4 { [%eval -5.37] [%clk 0:25:44] } 44... gxf4 { [%eval -5.23] [%clk 0:45:35] } 45. Re1 { [%eval -5.53] [%clk 0:25:55] } 45... f3 { [%eval -5.29] [%clk 0:45:50] } 46. Kc3 { [%eval -5.64] [%clk 0:25:17] } 46... Kf5 { [%eval -5.65] [%clk 0:43:49] } 47. Kd2 { [%eval -6.62] [%clk 0:13:20] } 47... Re5 { [%eval -5.91] [%clk 0:43:15] } 48. Nb3 { [%eval -7.22] [%clk 0:13:23] } 48... Rd5+ { [%eval -6.99] [%clk 0:43:08] } 49. Kc1 { [%eval -9.02] [%clk 0:12:54] } 49... f2 { [%eval -8.21] [%clk 0:42:29] } 0-1