Event: 2023 UK Chess Challenge Terafinal Challengers U12
Site: Park Inn by Radisson Northampton, United Kingdom
Date: 2023-09-10
White: Lebedev, Lion
WhiteElo: 1824
Black: Ranasinghe, Chaniru
BlackElo: 1590
Result: 1/2-1/2
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, English Attack
Variant: Standard
TimeControl: G: 25min + 10 seconds added per move

1. e4 { [%eval 0.36] [%clk 0:25:18] } 1... c5 { [%eval 0.32] [%clk 0:25:18] } 2. Nf3 { [%eval 0.0] [%clk 0:25:27] } 2... d6 { [%eval 0.0] [%clk 0:25:27] } 3. d4 { [%eval 0.25] [%clk 0:25:36] } 3... cxd4 { [%eval 0.13] [%clk 0:25:36] } 4. Nxd4 { [%eval 0.27] [%clk 0:25:45] } 4... Nf6 { [%eval 0.3] [%clk 0:25:45] } 5. Nc3 { [%eval 0.21] [%clk 0:25:54] } 5... a6 { [%eval 0.39] [%clk 0:25:54] } 6. Be3 { [%eval 0.12] [%clk 0:26:00] } 6... e5 { [%eval 0.31] [%clk 0:26:03] } 7. Nb3 { [%eval 0.25] [%clk 0:26:09] } 7... Be6 { [%eval 0.11] [%clk 0:26:12] } 8. f3 { [%eval 0.37] [%clk 0:26:10] } 8... Be7 { [%eval 0.44] [%clk 0:26:20] } 9. Qd2 { [%eval 0.33] [%clk 0:26:11] } 9... Nbd7 { [%eval 0.34] [%clk 0:26:26] } 10. O-O-O { [%eval 0.21] [%clk 0:25:48] } 10... O-O { [%eval 0.45] [%clk 0:26:27] } 11. Kb1 { [%eval 0.11] [%clk 0:24:42] } 11... b5 { [%eval -0.01] [%clk 0:26:25] } 12. Nd5 { [%eval -0.3] [%clk 0:23:56] } 12... Bxd5 { [%eval -0.13] [%clk 0:25:20] } 13. exd5 { [%eval -0.36] [%clk 0:24:03] } 13... Nb6 { [%eval -0.24] [%clk 0:25:20] } 14. Bxb6 { [%eval -0.22] [%clk 0:22:59] } 14... Qxb6 { [%eval -0.39] [%clk 0:25:19] } 15. Qa5 { [%eval -0.61] [%clk 0:21:56] } 15... Bd8 { [%eval -0.57] [%clk 0:24:38] } 16. Qxb6 { [%eval -0.43] } 16... Bxb6 { [%eval -0.44] [%clk 0:24:41] } 17. c4 { [%eval -0.46] [%clk 0:21:28] } 17... bxc4 { [%eval -0.36] [%clk 0:22:51] } 18. Bxc4 { [%eval -0.46] [%clk 0:21:36] } 18... Rfc8 { [%eval -0.27] [%clk 0:22:49] } 19. Nd2 { [%eval -0.45] [%clk 0:19:31] } 19... a5 { [%eval -0.06] [%clk 0:21:34] } 20. b3?! { [%eval -1.11] } { Inaccuracy. Bb5 was best. } { [%clk 0:17:10] } 20... a4 { [%eval -1.29] [%clk 0:20:19] } 21. Ne4 { [%eval -1.6] [%clk 0:16:05] } 21... axb3 { [%eval -1.26] [%clk 0:18:13] } 22. Bxb3 { [%eval -1.29] [%clk 0:15:41] } 22... Nxe4 { [%eval -1.21] [%clk 0:17:46] } 23. fxe4 { [%eval -1.27] [%clk 0:15:50] } 23... Rab8 { [%eval -1.25] [%clk 0:14:06] } 24. Rc1 { [%eval -1.24] [%clk 0:15:29] } 24... Bc5 { [%eval -1.35] [%clk 0:14:04] } 25. Rhf1 { [%eval -1.28] [%clk 0:11:49] } 25... Rb4 { [%eval -0.78] [%clk 0:13:31] } 26. Rc4 { [%eval -0.81] [%clk 0:10:11] } 26... Rcb8 { [%eval -0.89] [%clk 0:10:28] } 27. Rxb4 { [%eval -1.26] [%clk 0:07:58] } 27... Rxb4 { [%eval -1.09] [%clk 0:10:31] } 28. Re1 { [%eval -1.18] [%clk 0:08:02] } 28... Rd4?! { [%eval -0.18] } { Inaccuracy. g6 was best. } { [%clk 0:09:25] } 29. Re2?! { [%eval -0.78] } { Inaccuracy. a4 was best. } { [%clk 0:05:05] } 29... Ba3 { [%eval -0.85] [%clk 0:09:01] } 30. Bc2 { [%eval -0.99] [%clk 0:04:26] } 30... Rb4+ { [%eval -0.95] [%clk 0:08:55] } 31. Bb3 { [%eval -1.02] [%clk 0:04:31] } 31... Rd4 { [%eval -0.92] [%clk 0:09:03] } 32. Bc2 { [%eval -0.89] [%clk 0:04:40] } 1/2-1/2