Event: Gibraltar Chess Festival: Masters
Site: Caleta Hotel, Gibraltar
Date: 2020-01-24
White: Barbosa, Evandro Amorim
WhiteElo: 2501
Black: Petrov, Vladimir Sergeev
BlackElo: 2353
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 40/100 min, 20/50 min, 15 min for the rest, with 30s/move starting move 1

1. e4 { [%eval 0.24] [%clk 1:40:55] } 1... c5 { [%eval 0.2] [%clk 1:40:56] } 2. Nf3 { [%eval 0.21] [%clk 1:41:17] } 2... d6 { [%eval 0.26] [%clk 1:41:20] } 3. d4 { [%eval 0.17] [%clk 1:41:40] } 3... cxd4 { [%eval 0.16] [%clk 1:41:46] } 4. Nxd4 { [%eval 0.11] [%clk 1:42:03] } 4... Nf6 { [%eval 0.37] [%clk 1:42:08] } 5. Nc3 { [%eval 0.25] [%clk 1:42:28] } 5... a6 { [%eval 0.29] [%clk 1:42:33] } 6. Bd3 { [%eval 0.0] [%clk 1:42:28] } 6... e5 { [%eval 0.33] [%clk 1:41:37] } 7. Nde2 { [%eval 0.2] [%clk 1:42:46] } 7... b5 { [%eval 0.63] [%clk 1:39:19] } 8. O-O { [%eval 0.52] [%clk 1:35:13] } 8... b4?! { [%eval 1.18] } { Inaccuracy. Best move was Be7. } { [%clk 1:37:07] } 9. Nd5 { [%eval 1.08] [%clk 1:34:31] } 9... Nxd5 { [%eval 1.08] [%clk 1:37:30] } 10. exd5 { [%eval 1.07] [%clk 1:34:56] } 10... f5 { [%eval 1.02] [%clk 1:37:04] } 11. f4 { [%eval 0.99] [%clk 1:22:30] } 11... e4 { [%eval 0.95] [%clk 1:33:46] } 12. Bc4 { [%eval 1.11] [%clk 1:21:01] } 12... Nd7 { [%eval 1.4] [%clk 1:31:09] } 13. Nd4 { [%eval 1.45] [%clk 1:16:20] } 13... Nf6 { [%eval 1.92] [%clk 1:30:51] } 14. h3 { [%eval 1.63] [%clk 1:09:39] } 14... g6 { [%eval 1.72] [%clk 1:10:13] } 15. Be3 { [%eval 1.74] [%clk 1:05:48] } 15... Bg7 { [%eval 1.8] [%clk 1:10:37] } 16. Qd2 { [%eval 1.56] [%clk 1:01:58] } 16... a5?! { [%eval 2.42] } { Inaccuracy. Best move was O-O. } { [%clk 1:03:27] } 17. Bb5+ { [%eval 2.53] [%clk 0:58:29] } 17... Kf7 { [%eval 3.07] [%clk 1:00:37] } 18. Nc6?! { [%eval 2.38] } { Inaccuracy. Best move was a3. } { [%clk 0:56:38] } 18... Qc7 { [%eval 2.2] [%clk 1:00:27] } 19. a3 { [%eval 2.22] [%clk 0:56:58] } 19... Bd7?! { [%eval 2.97] } { Inaccuracy. Best move was Qb7. } { [%clk 0:55:33] } 20. axb4 { [%eval 3.14] [%clk 0:48:27] } 20... axb4 { [%eval 2.79] [%clk 0:55:58] } 21. Qxb4 { [%eval 2.63] [%clk 0:36:43] } 21... Nxd5?! { [%eval 3.89] } { Inaccuracy. Best move was Rhe8. } { [%clk 0:54:22] } 22. Qc4 { [%eval 3.6] [%clk 0:37:07] } 22... Be6 { [%eval 3.89] [%clk 0:53:42] } 23. Rad1 { [%eval 3.89] [%clk 0:37:27] } 23... Rhc8 { [%eval 3.78] [%clk 0:25:48] } 24. Rxd5 { [%eval 3.49] [%clk 0:37:38] } 24... Bxb2 { [%eval 3.88] [%clk 0:24:30] } 25. Rfd1 { [%eval 3.6] [%clk 0:34:39] } 25... Ra1?? { [%eval 7.87] } { Blunder. Best move was Kf8. } { [%clk 0:21:38] } 26. Rxa1 { [%eval 7.84] [%clk 0:29:56] } 26... Bxa1 { [%eval 7.87] [%clk 0:22:03] } 27. Bd4 { [%eval 7.77] [%clk 0:29:37] } 27... Bxd4+ { [%eval 7.72] [%clk 0:20:44] } 28. Qxd4 { [%eval 7.76] [%clk 0:29:55] } 28... Bxd5 { [%eval 7.62] [%clk 0:20:42] } 29. Qxd5+ { [%eval 7.36] [%clk 0:30:20] } 29... Kg7 { [%eval 10.01] [%clk 0:20:53] } 30. Qd4+ { [%eval 9.5] [%clk 0:29:02] } 30... Kh6? { [%eval #15] } { Checkmate is now unavoidable. Best move was Kf7. } { [%clk 0:20:31] } 31. Qf6?! { [%eval 12.54] } { Lost forced checkmate sequence. Best move was g4. } { [%clk 0:27:09] } 31... d5 { [%eval 61.66] [%clk 0:05:27] } 32. Nd4 { [%eval 17.6] [%clk 0:14:03] } 32... Qxf4?! { [%eval #6] } { Checkmate is now unavoidable. Best move was Qc5. } { [%clk 0:05:31] } 33. Ne6 { [%eval #5] [%clk 0:14:27] } 33... Qc1+ { [%eval #5] [%clk 0:00:54] } 34. Kh2 { [%eval #4] [%clk 0:14:48] } 34... Kh5 { [%eval #2] [%clk 0:00:45] } 35. Be2+ { [%eval #1] [%clk 0:15:01] } 1-0