Event: Round 5: Beltran Serna, Ian Samuel - Joshi, Aditi Narayan
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-1-18/round-5/FT945tH0/FUemm9IQ
White: Beltran Serna, Ian Samuel
WhiteElo: 2008
Black: Joshi, Aditi Narayan
BlackTitle: WCM
BlackElo: 1620
Result: 1-0
ECO: B89
Opening: Sicilian Defense: Velimirovic Attack
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:08] } 1... c5 { [%eval 0.24] [%clk 0:45:11] } 2. Nf3 { [%eval 0.2] [%clk 0:45:12] } 2... Nc6 { [%eval 0.3] [%clk 0:45:07] } 3. d4 { [%eval 0.27] [%clk 0:45:13] } 3... cxd4 { [%eval 0.27] [%clk 0:44:57] } 4. Nxd4 { [%eval 0.21] [%clk 0:45:20] } 4... Nf6 { [%eval 0.19] [%clk 0:44:49] } 5. Nc3 { [%eval 0.26] [%clk 0:45:23] } 5... d6 { [%eval 0.3] [%clk 0:44:13] } 6. Bc4 { [%eval 0.26] [%clk 0:44:45] } 6... e6 { [%eval 0.19] [%clk 0:42:32] } 7. Be3 { [%eval 0.27] [%clk 0:44:13] } 7... Be7 { [%eval 0.47] [%clk 0:41:19] } 8. Qe2 { [%eval 0.43] [%clk 0:42:37] } 8... a6 { [%eval 0.5] [%clk 0:39:19] } 9. Bb3 { [%eval 0.2] [%clk 0:40:44] } 9... Qc7 { [%eval 0.29] [%clk 0:36:52] } 10. O-O-O { [%eval 0.45] [%clk 0:40:15] } 10... b5 { [%eval 0.75] [%clk 0:31:55] } 11. h3? { [%eval -0.63] } { Mistake. Nxc6 was best. } { [%clk 0:33:45] } 11... Na5 { [%eval -0.46] [%clk 0:27:11] } 12. f3 { [%eval -0.44] [%clk 0:25:37] } 12... Bb7? { [%eval 1.19] } { Mistake. O-O was best. } { [%clk 0:22:47] } 13. g4?? { [%eval -0.71] } { Blunder. Bxe6 was best. } { [%clk 0:27:41] } 13... Rc8?! { [%eval -0.01] } { Inaccuracy. b4 was best. } { [%clk 0:19:53] } 14. g5 { [%eval -0.49] [%clk 0:23:43] } 14... Nd7? { [%eval 1.04] } { Mistake. Nh5 was best. } { [%clk 0:16:33] } 15. h4?! { [%eval 0.21] } { Inaccuracy. Bxe6 was best. } { [%clk 0:21:21] } 15... Nc5?! { [%eval 0.8] } { Inaccuracy. g6 was best. } { [%clk 0:10:55] } 16. h5?! { [%eval 0.22] } { Inaccuracy. Kb1 was best. } { [%clk 0:15:39] } 16... Naxb3+ { [%eval 0.33] [%clk 0:09:00] } 17. Nxb3 { [%eval -0.14] [%clk 0:15:28] } 17... Na4 { [%eval 0.15] [%clk 0:06:27] } 18. Rd3 { [%eval 0.28] [%clk 0:11:55] } 18... Qc4?! { [%eval 1.25] } { Inaccuracy. O-O was best. } { [%clk 0:04:13] } 19. Qd1?! { [%eval 0.62] } { Inaccuracy. Qd2 was best. } { [%clk 0:09:30] } 19... Qb4? { [%eval 1.82] } { Mistake. d5 was best. } { [%clk 0:03:20] } 20. Nxa4 { [%eval 1.44] [%clk 0:06:41] } 20... Qxa4?! { [%eval 2.32] } { Inaccuracy. bxa4 was best. } { [%clk 0:02:09] } 21. Kb1 { [%eval 2.57] [%clk 0:06:31] } 21... d5 { [%eval 2.69] [%clk 0:01:57] } 22. g6 { [%eval 2.63] [%clk 0:02:44] } 22... f6? { [%eval 4.74] } { Mistake. O-O was best. } { [%clk 0:01:14] } 23. exd5 { [%eval 4.5] [%clk 0:01:04] } 23... Bxd5 { [%eval 3.94] [%clk 0:01:12] } 24. Re1? { [%eval 2.17] } { Mistake. h6 was best. } { [%clk 0:00:58] } 24... h6?? { [%eval 5.16] } { Blunder. hxg6 was best. } { [%clk 0:01:03] } 25. Rd4?? { [%eval 2.31] } { Blunder. Rxd5 was best. } { [%clk 0:00:27] } 25... Rc4?? { [%eval 7.79] } { Blunder. Bc4 was best. } { [%clk 0:00:57] } 26. Rxd5 { [%eval 7.49] [%clk 0:00:25] } 26... exd5? { [%eval #10] } { Checkmate is now unavoidable. Rc8 was best. } { [%clk 0:00:42] } 27. Qxd5 { [%eval 11.55] [%clk 0:00:34] } 27... Rf8?! { [%eval #5] } { Checkmate is now unavoidable. Qb4 was best. } { [%clk 0:00:25] } 28. Bc5 { [%eval #5] [%clk 0:00:39] } 28... Rxc5 { [%eval #3] [%clk 0:00:17] } 29. Qxc5 { [%eval #4] [%clk 0:00:47] } 29... Kd8 { [%eval #4] [%clk 0:00:12] } 30. Qxe7+ { [%eval #4] [%clk 0:00:55] } 1-0