Event: Nuorten SM 2025, U20
Site: Valkeakoski, Finland
Date: 2025-06-05
White: Polkki, Eino
WhiteElo: 1983
Black: Pitkanen, Artturi
BlackElo: 1961
Result: 1-0
ECO: E44
Opening: Nimzo-Indian Defense: St. Petersburg Variation
Variant: Standard
TimeControl: 90' / 40 moves + 30' + 30 sec / move

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:53] } 2. c4 { [%eval 0.18] [%clk 1:31:23] } 2... e6 { [%eval 0.14] [%clk 1:31:15] } 3. Nc3 { [%eval 0.09] [%clk 1:31:47] } 3... Bb4 { [%eval 0.09] [%clk 1:31:36] } 4. e3 { [%eval 0.11] [%clk 1:32:11] } 4... b6 { [%eval 0.29] [%clk 1:31:07] } 5. Ne2 { [%eval 0.26] [%clk 1:32:21] } 5... Bb7 { [%eval 0.4] [%clk 1:30:25] } 6. a3 { [%eval 0.44] [%clk 1:32:41] } 6... Bxc3+ { [%eval 0.46] [%clk 1:30:12] } 7. Nxc3 { [%eval 0.44] [%clk 1:32:54] } 7... O-O { [%eval 0.41] [%clk 1:22:21] } 8. f3 { [%eval 0.32] [%clk 1:33:06] } 8... Nh5 { [%eval 0.85] [%clk 1:05:06] } 9. g3 { [%eval 0.42] [%clk 1:28:24] } 9... f5 { [%eval 0.53] [%clk 0:53:05] } 10. Bg2 { [%eval 0.54] [%clk 1:28:28] } 10... Nf6 { [%eval 0.5] [%clk 0:49:30] } 11. O-O { [%eval 0.47] [%clk 1:28:24] } 11... Ba6 { [%eval 0.53] [%clk 0:47:54] } 12. Qa4 { [%eval 0.07] [%clk 1:20:51] } 12... d5 { [%eval 0.02] [%clk 0:43:59] } 13. b3 { [%eval 0.12] [%clk 1:19:57] } 13... Qd7 { [%eval 0.2] [%clk 0:36:13] } 14. Qxd7 { [%eval 0.1] [%clk 1:13:04] } 14... Nbxd7 { [%eval 0.15] [%clk 0:36:33] } 15. Nb5 { [%eval 0.28] [%clk 1:13:20] } 15... Ne8 { [%eval 0.63] [%clk 0:28:17] } 16. a4 { [%eval 0.81] [%clk 1:12:59] } 16... c6 { [%eval 0.68] [%clk 0:27:58] } 17. Na3 { [%eval 0.65] [%clk 1:12:59] } 17... Nd6 { [%eval 0.67] [%clk 0:27:14] } 18. e4?! { [%eval -0.01] } { Inaccuracy. Rd1 was best. } { [%clk 1:03:36] } 18... fxe4 { [%eval 0.08] [%clk 0:23:11] } 19. Bf4 { [%eval -0.38] [%clk 1:02:24] } 19... exf3 { [%eval -0.41] [%clk 0:19:27] } 20. Bxf3 { [%eval -0.47] [%clk 0:57:40] } 20... Nf5 { [%eval -0.43] [%clk 0:18:48] } 21. Rad1 { [%eval -0.51] [%clk 0:56:53] } 21... Rf7 { [%eval -0.05] [%clk 0:09:49] } 22. Rfe1 { [%eval -0.05] [%clk 0:55:51] } 22... Nf8 { [%eval 0.01] [%clk 0:07:15] } 23. Nc2?! { [%eval -0.74] } { Inaccuracy. Bh5 was best. } { [%clk 0:47:49] } 23... Rc8?! { [%eval 0.0] } { Inaccuracy. dxc4 was best. } { [%clk 0:04:19] } 24. Nb4 { [%eval -0.14] [%clk 0:46:15] } 24... Bb7 { [%eval -0.18] [%clk 0:04:46] } 25. c5?? { [%eval -2.41] } { Blunder. cxd5 was best. } { [%clk 0:40:01] } 25... Re8?? { [%eval 0.07] } { Blunder. Nxd4 was best. } { [%clk 0:02:32] } 26. Bg4 { [%eval 0.0] [%clk 0:35:17] } 26... Nxd4 { [%eval 0.5] [%clk 0:01:36] } 27. cxb6 { [%eval 0.73] [%clk 0:33:08] } 27... axb6? { [%eval 2.37] } { Mistake. c5 was best. } { [%clk 0:00:54] } 28. Nxd5?? { [%eval 0.11] } { Blunder. Rxd4 was best. } { [%clk 0:32:17] } 28... cxd5?! { [%eval 0.78] } { Inaccuracy. c5 was best. } { [%clk 0:01:04] } 29. Rxd4 { [%eval 0.97] [%clk 0:32:41] } 29... Rd7?! { [%eval 1.79] } { Inaccuracy. Rc8 was best. } { [%clk 0:00:37] } 30. Rb4 { [%eval 1.77] [%clk 0:32:38] } 30... Rde7?! { [%eval 2.85] } { Inaccuracy. d4 was best. } { [%clk 0:00:37] } 31. Bd6 { [%eval 2.85] [%clk 0:31:34] } 31... Rf7 { [%eval 2.69] [%clk 0:00:39] } 32. Rxb6 { [%eval 2.58] [%clk 0:31:44] } 32... Bc8?! { [%eval 3.97] } { Inaccuracy. d4 was best. } { [%clk 0:00:53] } 33. Rb8 { [%eval 3.99] [%clk 0:27:19] } 33... Rf6 { [%eval 4.68] [%clk 0:00:36] } 34. b4?! { [%eval 3.7] } { Inaccuracy. a5 was best. } { [%clk 0:25:34] } 34... Kf7 { [%eval 4.61] [%clk 0:00:33] } 35. Be5?! { [%eval 3.33] } { Inaccuracy. a5 was best. } { [%clk 0:25:42] } 35... Nd7 { [%eval 3.61] [%clk 0:00:56] } 36. Rxc8 { [%eval 3.66] [%clk 0:25:09] } 36... Rxc8 { [%eval 3.79] [%clk 0:00:40] } 37. Bxf6 { [%eval 3.74] [%clk 0:25:32] } 37... Kxf6 { [%eval 3.57] [%clk 0:00:45] } 38. Rxe6+ { [%eval 3.34] [%clk 0:25:17] } 38... Kf7? { [%eval 5.94] } { Mistake. Kg5 was best. } { [%clk 0:01:00] } 39. Re1 { [%eval 5.95] [%clk 0:24:28] } 39... Rd8 { [%eval 5.92] [%clk 0:00:43] } 40. Be6+ { [%eval 4.95] [%clk 0:23:19] } 40... Kf6 { [%eval 4.79] [%clk 0:00:57] } 41. Bxd5 { [%eval 4.66] [%clk 0:22:36] } 41... Ne5 { [%eval 5.07] [%clk 0:00:52] } 42. Bg2 { [%eval 5.17] [%clk 0:22:39] } 42... Rd2 { [%eval 5.61] [%clk 0:00:34] } 43. Ra1 { [%eval 5.37] [%clk 0:20:18] } 43... Rb2 { [%eval 6.04] [%clk 0:00:39] } 44. a5 { [%eval 5.44] [%clk 0:19:30] } 44... Nc4 { [%eval 6.16] [%clk 0:30:07] } 45. a6 { [%eval 6.21] [%clk 0:49:28] } 45... Rxb4 { [%eval 6.87] [%clk 0:30:22] } 46. a7 { [%eval 6.71] [%clk 0:49:49] } 1-0