Event: Round 15: Collins, Adam - Siva Mahadevan
Site: https://lichess.org/broadcast/2025-uk-open-blitz-final--open/round-15/RpeqSjr6/VfcHH4wN
Date: 2025-11-22
White: Collins, Adam
WhiteTitle: CM
WhiteElo: 2271
Black: Siva Mahadevan
BlackTitle: IM
BlackElo: 2365
Result: 0-1
ECO: B63
Opening: Sicilian Defense: Richter-Rauzer Variation, Classical Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:02] } 1... c5 { [%eval 0.25] [%clk 0:03:03] } 2. Nf3 { [%eval 0.2] [%clk 0:03:02] } 2... d6 { [%eval 0.31] [%clk 0:03:04] } 3. d4 { [%eval 0.22] [%clk 0:03:03] } 3... cxd4 { [%eval 0.19] [%clk 0:03:05] } 4. Nxd4 { [%eval 0.18] [%clk 0:03:04] } 4... Nf6 { [%eval 0.31] [%clk 0:03:05] } 5. Nc3 { [%eval 0.32] [%clk 0:03:04] } 5... Nc6 { [%eval 0.3] [%clk 0:03:06] } 6. Bg5 { [%eval 0.29] [%clk 0:03:02] } 6... e6 { [%eval 0.39] [%clk 0:03:07] } 7. Qd2 { [%eval 0.33] [%clk 0:02:56] } 7... Be7 { [%eval 0.32] [%clk 0:03:07] } 8. O-O-O { [%eval 0.44] [%clk 0:02:52] } 8... a6 { [%eval 0.4] [%clk 0:03:08] } 9. Kb1 { [%eval 0.49] [%clk 0:02:47] } 9... O-O { [%eval 0.97] [%clk 0:02:55] } 10. f3?! { [%eval 0.13] } { Inaccuracy. Bxf6 was best. } { [%clk 0:02:47] } 10... Nxd4 { [%eval 0.21] [%clk 0:02:55] } 11. Qxd4 { [%eval 0.19] [%clk 0:02:47] } 11... b5 { [%eval 0.18] [%clk 0:02:56] } 12. h4 { [%eval 0.15] [%clk 0:02:47] } 12... Bb7 { [%eval 0.14] [%clk 0:02:44] } 13. g4 { [%eval 0.17] [%clk 0:02:40] } 13... Rc8 { [%eval 0.29] [%clk 0:02:33] } 14. Be3 { [%eval 0.06] [%clk 0:02:38] } 14... Nd7 { [%eval 0.57] [%clk 0:02:33] } 15. Qd2?? { [%eval -1.1] } { Blunder. g5 was best. } { [%clk 0:02:09] } 15... Ne5? { [%eval 0.17] } { Mistake. b4 was best. } { [%clk 0:02:31] } 16. Be2 { [%eval 0.18] [%clk 0:02:05] } 16... Nc4 { [%eval 0.31] [%clk 0:01:52] } 17. Bxc4 { [%eval 0.39] [%clk 0:02:06] } 17... Rxc4 { [%eval 0.34] [%clk 0:01:50] } 18. h5 { [%eval 0.42] [%clk 0:01:57] } 18... Qc7 { [%eval 0.42] [%clk 0:01:45] } 19. g5 { [%eval 0.17] [%clk 0:01:51] } 19... Rc8 { [%eval 0.28] [%clk 0:01:41] } 20. Rc1? { [%eval -0.86] } { Mistake. h6 was best. } { [%clk 0:01:40] } 20... d5 { [%eval -0.87] [%clk 0:01:08] } 21. exd5?! { [%eval -1.45] } { Inaccuracy. h6 was best. } { [%clk 0:01:07] } 21... Bb4 { [%eval -1.2] [%clk 0:01:08] } 22. g6 { [%eval -1.57] [%clk 0:00:39] } 22... Rxc3?? { [%eval 0.32] } { Blunder. Bxc3 was best. } { [%clk 0:00:38] } 23. gxf7+?? { [%eval -2.39] } { Blunder. dxe6 was best. } { [%clk 0:00:18] } 23... Qxf7 { [%eval -2.33] [%clk 0:00:33] } 24. bxc3 { [%eval -2.26] [%clk 0:00:10] } 24... Bxc3 { [%eval -2.57] [%clk 0:00:33] } 25. Qd3 { [%eval -2.31] [%clk 0:00:05] } 25... Bxd5 { [%eval -2.2] [%clk 0:00:18] } 26. Bd4 { [%eval -2.18] [%clk 0:00:06] } 26... b4 { [%eval -1.65] [%clk 0:00:19] } 27. h6?? { [%eval -3.78] } { Blunder. Rh4 was best. } { [%clk 0:00:06] } 27... Bxa2+ { [%eval -3.2] [%clk 0:00:17] } 28. Kxa2 { [%eval -2.71] [%clk 0:00:05] } 28... e5+?? { [%eval 0.0] } { Blunder. Qd7 was best. } { [%clk 0:00:19] } 29. Kb1 { [%eval 0.0] [%clk 0:00:06] } 29... Bxd4 { [%eval 0.0] [%clk 0:00:17] } 30. hxg7 { [%eval 0.0] [%clk 0:00:06] } 30... Qxg7?! { [%eval 0.63] } { Inaccuracy. h5 was best. } { [%clk 0:00:15] } 31. Rh4 { [%eval 0.26] [%clk 0:00:06] } 31... Kh8?? { [%eval 4.82] } { Blunder. Rc3 was best. } { [%clk 0:00:10] } 32. Rch1 { [%eval 4.69] [%clk 0:00:06] } 32... Rc7 { [%eval 4.41] [%clk 0:00:11] } 33. Rg4? { [%eval 2.53] } { Mistake. Qf5 was best. } { [%clk 0:00:07] } 33... Qd7? { [%eval 4.21] } { Mistake. Qf8 was best. } { [%clk 0:00:08] } 34. Rh5 { [%eval 3.51] [%clk 0:00:05] } 34... Qa4?? { [%eval #14] } { Checkmate is now unavoidable. b3 was best. } { [%clk 0:00:06] } 35. Kc1?? { [%eval #-12] } { Lost forced checkmate sequence. Rxd4 was best. } { [%clk 0:00:06] } 35... Qa1+ { [%eval #-11] [%clk 0:00:06] } 36. Kd2 { [%eval #-11] [%clk 0:00:07] } 36... Bc3+ { [%eval #-10] [%clk 0:00:07] } 37. Ke3 { [%eval #-10] [%clk 0:00:07] } 37... Qe1+ { [%eval #-9] [%clk 0:00:08] } 38. Qe2 { [%eval #-9] [%clk 0:00:08] } 38... Bd4+ { [%eval #-9] [%clk 0:00:09] } 39. Kd3 { [%eval #-8] [%clk 0:00:08] } 39... Rc3+ { [%eval #-7] [%clk 0:00:10] } 40. Ke4 { [%eval #-7] [%clk 0:00:09] } 40... Qxe2+ { [%eval #-6] [%clk 0:00:11] } 41. Kf5 { [%eval #-6] [%clk 0:00:11] } 41... Qxf3+ { [%eval #-5] [%clk 0:00:10] } 0-1