Event: Online_Olympiad_Div4_PoolD
Site: Chess.com
Date: 2021-08-21
White: Koumba, Mounguen Jose Evrard
WhiteElo: 2042
Black: Ortega Amarelle, Mariano
BlackElo: 2279
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Wing Gambit Deferred
Variant: Standard
TimeControl: 900+5

1. e4 { [%eval 0.24] [%clk 0:14:59] } 1... c5 { [%eval 0.32] [%clk 0:15:02] } 2. Nf3 { [%eval 0.0] [%clk 0:14:56] } 2... e6 { [%eval 0.42] [%clk 0:15:03] } 3. b4?! { [%eval -0.57] } { Inaccuracy. d4 was best. } { [%clk 0:14:54] } 3... d6? { [%eval 0.48] } { Mistake. cxb4 was best. } { [%clk 0:15:04] } 4. a3 { [%eval -0.02] [%clk 0:14:29] } 4... Nf6 { [%eval -0.16] [%clk 0:15:06] } 5. d3 { [%eval -0.01] [%clk 0:14:26] } 5... Be7 { [%eval -0.16] [%clk 0:14:42] } 6. Bb2 { [%eval -0.12] [%clk 0:14:23] } 6... O-O { [%eval -0.22] [%clk 0:14:43] } 7. g3 { [%eval -0.69] [%clk 0:13:49] } 7... Qb6 { [%eval -0.61] [%clk 0:14:01] } 8. Nbd2 { [%eval -0.96] [%clk 0:13:04] } 8... cxb4 { [%eval -0.74] [%clk 0:13:41] } 9. axb4 { [%eval -0.85] [%clk 0:12:27] } 9... d5? { [%eval 0.23] } { Mistake. Qxb4 was best. } { [%clk 0:13:39] } 10. e5 { [%eval 0.12] [%clk 0:12:15] } 10... Ng4 { [%eval 0.39] [%clk 0:13:35] } 11. Bd4?! { [%eval -0.3] } { Inaccuracy. d4 was best. } { [%clk 0:11:54] } 11... Qc7?! { [%eval 0.45] } { Inaccuracy. Qxb4 was best. } { [%clk 0:12:55] } 12. h3 { [%eval 0.4] [%clk 0:10:14] } 12... Nh6 { [%eval 0.31] [%clk 0:12:57] } 13. g4?? { [%eval -1.39] } { Blunder. b5 was best. } { [%clk 0:10:10] } 13... Nc6 { [%eval -1.18] [%clk 0:12:45] } 14. Bb2 { [%eval -1.36] [%clk 0:09:59] } 14... d4? { [%eval -0.07] } { Mistake. Nxb4 was best. } { [%clk 0:08:23] } 15. Qe2?? { [%eval -2.56] } { Blunder. Bg2 was best. } { [%clk 0:08:49] } 15... Nxb4 { [%eval -1.46] [%clk 0:08:08] } 16. Rc1 { [%eval -1.99] [%clk 0:08:32] } 16... Na2 { [%eval -1.51] [%clk 0:07:05] } 17. Ra1?! { [%eval -2.63] } { Inaccuracy. Rb1 was best. } { [%clk 0:08:21] } 17... Nc3 { [%eval -2.96] [%clk 0:07:08] } 18. Bxc3 { [%eval -2.9] [%clk 0:08:13] } 18... Qxc3?! { [%eval -1.77] } { Inaccuracy. dxc3 was best. } { [%clk 0:06:22] } 19. Ra2 { [%eval -1.54] [%clk 0:08:11] } 19... b5 { [%eval -1.46] [%clk 0:04:38] } 20. Bg2 { [%eval -1.31] [%clk 0:07:59] } 20... Bb7 { [%eval -1.28] [%clk 0:04:40] } 21. O-O { [%eval -1.49] [%clk 0:07:59] } 21... a5 { [%eval -1.36] [%clk 0:04:23] } 22. Rb1 { [%eval -1.66] [%clk 0:07:51] } 22... Bd5 { [%eval -1.29] [%clk 0:03:23] } 23. Rab2?! { [%eval -2.23] } { Inaccuracy. Raa1 was best. } { [%clk 0:06:16] } 23... a4? { [%eval -0.76] } { Mistake. b4 was best. } { [%clk 0:03:19] } 24. Ne4 { [%eval -0.47] [%clk 0:05:58] } 24... Qc7 { [%eval -1.35] [%clk 0:02:55] } 25. Rxb5 { [%eval -0.58] [%clk 0:05:45] } 25... a3 { [%eval -0.2] [%clk 0:02:56] } 26. Nxd4 { [%eval -0.46] [%clk 0:05:10] } 26... a2 { [%eval -0.16] [%clk 0:02:58] } 27. Ra1 { [%eval -0.22] [%clk 0:05:05] } 27... Qxe5 { [%eval -0.48] [%clk 0:02:53] } 28. c3 { [%eval -0.53] [%clk 0:04:56] } 28... Rfb8?! { [%eval 0.0] } { Inaccuracy. f5 was best. } { [%clk 0:02:21] } 29. f4?? { [%eval -5.14] } { Blunder. Ng3 was best. } { [%clk 0:04:38] } 29... Qxf4 { [%eval -4.71] [%clk 0:02:12] } 30. c4? { [%eval -8.98] } { Mistake. Nf2 was best. } { [%clk 0:04:30] } 30... Bxe4?? { [%eval -3.76] } { Blunder. Bc5 was best. } { [%clk 0:01:12] } 31. dxe4?? { [%eval -9.99] } { Blunder. Qxe4 was best. } { [%clk 0:04:18] } 31... Bf6 { [%eval -9.08] [%clk 0:01:04] } 32. e5 { [%eval -21.46] [%clk 0:04:18] } 32... Qxd4+ { [%eval -24.17] [%clk 0:01:07] } 33. Kh2 { [%eval -26.62] [%clk 0:04:10] } 33... Qxa1 { [%eval -16.26] [%clk 0:00:59] } 34. exf6 { [%eval -20.03] [%clk 0:03:50] } 34... Rxb5 { [%eval -22.68] [%clk 0:00:41] } 35. cxb5 { [%eval -27.38] [%clk 0:03:51] } 35... Qxf6 { [%eval -21.92] [%clk 0:00:40] } 36. Bxa8 { [%eval -27.76] [%clk 0:03:47] } 36... a1=Q { [%eval -62.92] [%clk 0:00:41] } 37. Bg2?! { [%eval #-1] } { Checkmate is now unavoidable. Bf3 was best. } { [%clk 0:03:46] } 37... Qae5+?! { [%eval -10.37] } { Lost forced checkmate sequence. Qf4# was best. } { [%clk 0:00:44] } 0-1