Event: Round 6: Lucio Pinzon, Santiago - Couchman, Kyle
Site: https://lichess.org/broadcast/fide-world-youth-u16-chess-olympiad-2025--matches-19/round-6/t12a3W7l/gnsijrBV
White: Lucio Pinzon, Santiago
WhiteElo: 1827
Black: Couchman, Kyle
BlackElo: 1857
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Lipnitsky Attack
Variant: Standard
TimeControl: 45+10

1. e4 { [%eval 0.18] [%clk 0:45:10] } 1... c5 { [%eval 0.24] [%clk 0:45:19] } 2. Nf3 { [%eval 0.2] [%clk 0:45:15] } 2... d6 { [%eval 0.31] [%clk 0:45:19] } 3. d4 { [%eval 0.22] [%clk 0:45:19] } 3... cxd4 { [%eval 0.19] [%clk 0:45:27] } 4. Nxd4 { [%eval 0.18] [%clk 0:45:25] } 4... Nf6 { [%eval 0.31] [%clk 0:45:33] } 5. Nc3 { [%eval 0.32] [%clk 0:45:31] } 5... a6 { [%eval 0.25] [%clk 0:45:42] } 6. Bc4 { [%eval 0.03] [%clk 0:45:26] } 6... e6 { [%eval 0.06] [%clk 0:45:49] } 7. Bb3 { [%eval 0.0] [%clk 0:45:18] } 7... Be7 { [%eval 0.24] [%clk 0:45:46] } 8. Be3 { [%eval 0.14] [%clk 0:45:17] } 8... b5 { [%eval 0.13] [%clk 0:45:24] } 9. f3 { [%eval 0.25] [%clk 0:45:15] } 9... O-O { [%eval 0.17] [%clk 0:45:06] } 10. Qd2 { [%eval 0.15] [%clk 0:45:06] } 10... Bd7 { [%eval 0.12] [%clk 0:44:59] } 11. g4 { [%eval 0.03] [%clk 0:44:47] } 11... b4 { [%eval -0.05] [%clk 0:43:37] } 12. Na4?! { [%eval -0.73] } { Inaccuracy. Nce2 was best. } { [%clk 0:43:02] } 12... Nc6 { [%eval -0.61] [%clk 0:42:05] } 13. O-O-O { [%eval -0.61] [%clk 0:41:09] } 13... Rb8 { [%eval -0.77] [%clk 0:39:50] } 14. c3?? { [%eval -2.67] } { Blunder. g5 was best. } { [%clk 0:38:04] } 14... Nxd4 { [%eval -2.72] [%clk 0:38:13] } 15. Bxd4 { [%eval -2.75] [%clk 0:37:54] } 15... Bxa4 { [%eval -2.72] [%clk 0:37:13] } 16. Bxa4 { [%eval -2.92] [%clk 0:37:51] } 16... e5 { [%eval -2.99] [%clk 0:36:44] } 17. Be3 { [%eval -2.98] [%clk 0:35:18] } 17... Qa5 { [%eval -2.62] [%clk 0:36:41] } 18. Bb3 { [%eval -2.61] [%clk 0:33:59] } 18... bxc3 { [%eval -2.79] [%clk 0:33:48] } 19. bxc3 { [%eval -2.98] [%clk 0:33:41] } 19... Rfc8 { [%eval -2.54] [%clk 0:32:48] } 20. c4 { [%eval -2.57] [%clk 0:33:09] } 20... Rxc4+ { [%eval -2.45] [%clk 0:32:03] } 21. Kb1 { [%eval -2.67] [%clk 0:28:35] } 21... Rcb4 { [%eval -2.54] [%clk 0:25:17] } 22. Qb2 { [%eval -2.75] [%clk 0:27:52] } 22... R4b7?! { [%eval -1.94] } { Inaccuracy. Qb5 was best. } { [%clk 0:23:46] } 23. Rc1?! { [%eval -2.89] } { Inaccuracy. Qc2 was best. } { [%clk 0:26:28] } 23... d5 { [%eval -2.84] [%clk 0:22:57] } 24. Bd2?! { [%eval -3.91] } { Inaccuracy. Rc6 was best. } { [%clk 0:23:25] } 24... Qb5 { [%eval -3.7] [%clk 0:21:10] } 25. g5?! { [%eval -4.71] } { Inaccuracy. Ka1 was best. } { [%clk 0:21:18] } 25... Qd3+?? { [%eval -1.79] } { Blunder. Nd7 was best. } { [%clk 0:19:35] } 26. Ka1 { [%eval -1.8] [%clk 0:18:43] } 26... Nd7 { [%eval -1.82] [%clk 0:17:27] } 27. Rc3 { [%eval -1.68] [%clk 0:18:16] } 27... Qb5?! { [%eval -0.77] } { Inaccuracy. Qe2 was best. } { [%clk 0:16:42] } 28. Rhc1?? { [%eval -3.93] } { Blunder. Qc2 was best. } { [%clk 0:16:41] } 28... Nb6?? { [%eval -0.32] } { Blunder. Bc5 was best. } { [%clk 0:14:21] } 29. exd5 { [%eval -0.25] [%clk 0:15:18] } 29... Bf8 { [%eval -0.15] [%clk 0:13:32] } 30. d6?? { [%eval -3.94] } { Blunder. Rc6 was best. } { [%clk 0:07:39] } 30... Na4 { [%eval -3.8] [%clk 0:12:26] } 31. Qc2 { [%eval -4.38] [%clk 0:05:26] } 31... Nxc3 { [%eval -4.48] [%clk 0:11:56] } 32. Bxc3 { [%eval -4.33] [%clk 0:05:35] } 32... Bxd6 { [%eval -4.01] [%clk 0:11:07] } 33. h4 { [%eval -4.81] [%clk 0:03:46] } 33... a5 { [%eval -4.2] [%clk 0:09:45] } 34. Qf5? { [%eval -7.08] } { Mistake. Rd1 was best. } { [%clk 0:03:15] } 34... a4 { [%eval -7.02] [%clk 0:08:29] } 35. Bc2 { [%eval -6.75] [%clk 0:01:50] } 35... g6 { [%eval -6.47] [%clk 0:08:25] } 36. Qf6 { [%eval -7.81] [%clk 0:01:21] } 36... Rb6 { [%eval -7.53] [%clk 0:07:00] } 37. Rd1? { [%eval #-7] } { Checkmate is now unavoidable. f4 was best. } { [%clk 0:01:01] } 37... Qc5 { [%eval #-6] [%clk 0:05:48] } 38. Rd3 { [%eval #-3] [%clk 0:00:20] } 38... Qg1+ { [%eval #-2] [%clk 0:05:40] } 39. Rd1 { [%eval #-2] [%clk 0:00:30] } 39... Qxd1+ { [%eval #-1] [%clk 0:05:30] } 40. Bxd1 { [%eval #-1] [%clk 0:00:38] } 40... Rb1# { [%clk 0:05:38] } 0-1