Event: Round 6: Sidelnikov, Fedor Andr - Aththanayaka, A M Chesandu Yuven
Site: https://lichess.org/broadcast/fide-world-cadet-chess-championships-2025--open-u8/round-6/9u93u0Rp/s7SSW1dX
Date: 2025-09-24
White: Sidelnikov, Fedor Andr
WhiteElo: 1719
Black: Aththanayaka, A M Chesandu Yuven
BlackElo: 1560
Result: 1-0
ECO: B20
Opening: Sicilian Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:29:06] } 1... c5 { [%eval 0.24] [%clk 1:29:31] } 2. d3 { [%eval -0.07] [%clk 1:27:14] } 2... Nc6 { [%eval 0.0] [%clk 1:28:35] } 3. f4 { [%eval -0.15] [%clk 1:26:14] } 3... g6 { [%eval 0.0] [%clk 1:28:37] } 4. Nf3 { [%eval 0.0] [%clk 1:24:00] } 4... Bg7 { [%eval 0.0] [%clk 1:27:30] } 5. c3 { [%eval -0.09] [%clk 1:23:49] } 5... d5 { [%eval 0.0] [%clk 1:23:39] } 6. e5 { [%eval -0.49] [%clk 1:22:55] } 6... Bg4?! { [%eval 0.08] } { Inaccuracy. Nh6 was best. } { [%clk 1:20:56] } 7. Be2 { [%eval 0.0] [%clk 1:20:01] } 7... e6 { [%eval 0.11] [%clk 1:19:10] } 8. h3? { [%eval -1.21] } { Mistake. Be3 was best. } { [%clk 1:19:56] } 8... Bxf3 { [%eval -1.21] [%clk 1:15:02] } 9. Bxf3 { [%eval -1.2] [%clk 1:20:15] } 9... Nge7?! { [%eval -0.53] } { Inaccuracy. Qh4+ was best. } { [%clk 0:00:00] } 10. Be3 { [%eval -0.9] [%clk 1:19:28] } 10... b6?! { [%eval -0.32] } { Inaccuracy. g5 was best. } { [%clk 1:10:19] } 11. O-O { [%eval -0.41] [%clk 1:18:51] } 11... O-O?! { [%eval 0.22] } { Inaccuracy. g5 was best. } { [%clk 1:10:15] } 12. d4 { [%eval 0.17] [%clk 1:19:00] } 12... c4?! { [%eval 0.88] } { Inaccuracy. Rc8 was best. } { [%clk 1:07:37] } 13. g4 { [%eval 0.82] [%clk 1:19:01] } 13... f6 { [%eval 0.87] [%clk 1:02:04] } 14. Nd2 { [%eval 0.87] [%clk 1:03:09] } 14... fxe5 { [%eval 1.18] [%clk 0:59:09] } 15. fxe5 { [%eval 1.05] [%clk 1:03:09] } 15... Qd7 { [%eval 1.51] [%clk 0:56:07] } 16. Qe2 { [%eval 1.16] [%clk 1:01:49] } 16... Rf7 { [%eval 1.51] [%clk 0:53:35] } 17. Bg2 { [%eval 1.34] [%clk 1:01:03] } 17... Raf8 { [%eval 1.85] [%clk 0:50:30] } 18. Nf3 { [%eval 1.92] [%clk 0:57:42] } 18... h6 { [%eval 2.09] [%clk 0:41:54] } 19. h4 { [%eval 2.0] [%clk 0:56:20] } 19... b5 { [%eval 2.01] [%clk 0:36:11] } 20. Rf2 { [%eval 2.09] [%clk 0:56:14] } 20... b4 { [%eval 2.33] [%clk 0:33:46] } 21. Raf1 { [%eval 2.38] [%clk 0:56:11] } 21... Qc7?! { [%eval 3.18] } { Inaccuracy. Kh8 was best. } { [%clk 0:28:18] } 22. Bh3 { [%eval 2.52] [%clk 0:56:00] } 22... Qd7 { [%eval 2.87] [%clk 0:22:15] } 23. Qd2 { [%eval 2.95] [%clk 0:56:01] } 23... bxc3 { [%eval 3.45] [%clk 0:15:46] } 24. bxc3 { [%eval 3.12] [%clk 0:56:23] } 24... Kh7?! { [%eval 4.46] } { Inaccuracy. Nd8 was best. } { [%clk 0:14:40] } 25. Ng5+ { [%eval 4.89] [%clk 0:56:43] } 25... hxg5 { [%eval 4.79] [%clk 0:14:39] } 26. Rxf7 { [%eval 4.86] [%clk 0:57:06] } 26... Rxf7 { [%eval 4.64] [%clk 0:14:50] } 27. Rxf7 { [%eval 4.53] [%clk 0:57:28] } 27... Qe8 { [%eval 4.82] [%clk 0:14:30] } 28. Rf3 { [%eval 4.53] [%clk 0:56:48] } 28... gxh4 { [%eval 4.33] [%clk 0:14:36] } 29. Bg5 { [%eval 4.47] [%clk 0:56:49] } 29... Nc8 { [%eval 5.28] [%clk 0:13:08] } 30. Qf2 { [%eval 5.15] [%clk 0:56:59] } 30... Nb6 { [%eval 6.24] [%clk 0:12:46] } 31. Rf7?! { [%eval 4.46] } { Inaccuracy. Qxh4+ was best. } { [%clk 0:57:18] } 31... Na4?? { [%eval #5] } { Checkmate is now unavoidable. Nd7 was best. } { [%clk 0:12:47] } 32. Bh6?? { [%eval 6.76] } { Lost forced checkmate sequence. Qxh4+ was best. } { [%clk 0:57:40] } 32... Nxc3?? { [%eval #8] } { Checkmate is now unavoidable. Nxd4 was best. } { [%clk 0:12:31] } 33. Bxg7 { [%eval #7] [%clk 0:57:46] } 33... Kg8 { [%eval #4] [%clk 0:12:28] } 34. Rf8+ { [%eval #3] [%clk 0:58:04] } 34... Kxg7 { [%eval #3] [%clk 0:11:27] } 35. Qf6+ { [%eval #2] [%clk 0:58:23] } 35... Kh6 { [%eval #2] [%clk 0:11:29] } 36. Qxh4+ { [%eval #1] [%clk 0:58:33] } 36... Kg7 { [%eval #1] [%clk 0:11:52] } 37. Qh8# { [%clk 0:58:56] } 1-0