[Event "Open Arena"]
[Site "http://chess-academy.net/GHQeuA4k"]
[Date "2021.01.27"]
[Round "-"]
[White "Denise"]
[Black "Matei-550-125689"]
[Result "1-0"]
[UTCDate "2021.01.27"]
[UTCTime "17:11:31"]
[WhiteElo "1890"]
[BlackElo "1564"]
[WhiteRatingDiff "+21"]
[BlackRatingDiff "-31"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C42"]
[Opening "Petrov's Defense #4"]
[Termination "Normal"]
[Annotator "chess-academy.net"]

1. e4 { [%eval 0.12] [%clk 0:07:00] } 1... e5 { [%eval 0.3] [%clk 0:07:00] } 2. Nf3 { [%eval 0.22] [%clk 0:06:59] } 2... Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } { [%eval 0.73] [%clk 0:06:59] } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 { [%eval 0.5] [%clk 0:06:59] } 3... d6 { [%eval 0.75] [%clk 0:06:53] } 4. Nf3 { [%eval 0.54] [%clk 0:06:58] } { C42 Petrov's Defense #4 } 4... Nc6? { (0.54 → 2.15) Mistake. Best move was Nxe4. } { [%eval 2.15] [%clk 0:06:51] } (4... Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 Nb4 9. cxd5) 5. Nc3?! { (2.15 → 1.23) Inaccuracy. Best move was d3. } { [%eval 1.23] [%clk 0:06:56] } (5. d3 h6 6. c4 g5 7. h3 Bg7 8. Nc3 Bd7 9. Be2 O-O 10. Be3 a6 11. d4 Re8) 5... Bd7? { (1.23 → 2.68) Mistake. Best move was d5. } { [%eval 2.68] [%clk 0:06:51] } (5... d5 6. exd5) 6. d4 { [%eval 2.12] [%clk 0:06:54] } 6... Be7?! { (2.12 → 2.81) Inaccuracy. Best move was h6. } { [%eval 2.81] [%clk 0:06:50] } (6... h6 7. Be3) 7. d5? { (2.81 → 1.28) Mistake. Best move was h3. } { [%eval 1.28] [%clk 0:06:51] } (7. h3) 7... Nb4? { (1.28 → 2.64) Mistake. Best move was Ne5. } { [%eval 2.64] [%clk 0:06:38] } (7... Ne5) 8. a3 { [%eval 2.03] [%clk 0:06:50] } 8... Na6 { [%eval 2.43] [%clk 0:06:22] } 9. Bxa6 { [%eval 2.15] [%clk 0:06:50] } 9... Rf8?? { (2.15 → 8.74) Blunder. Best move was bxa6. } { [%eval 8.74] [%clk 0:06:10] } (9... bxa6) 10. Bxb7 { [%eval 8.69] [%clk 0:06:51] } 10... Rb8 { [%eval 8.71] [%clk 0:06:09] } 11. Bc6 { [%eval 8.64] [%clk 0:06:52] } 11... Rb4? { (8.64 → 15.43) Mistake. Best move was Bxc6. } { [%eval 15.43] [%clk 0:06:03] } (11... Bxc6) 12. Bxd7+ { [%eval 14.95] [%clk 0:06:50] } 12... Kxd7 { [%eval 15.53] [%clk 0:06:02] } 13. axb4 { [%eval 14.9] [%clk 0:06:51] } 13... Qb8 { [%eval 15.67] [%clk 0:05:57] } 14. e5 { [%eval 14.95] [%clk 0:06:51] } 14... Nxd5 { [%eval 19.85] [%clk 0:05:50] } 15. Nxd5 { [%eval 18.98] [%clk 0:06:51] } 15... dxe5?! { (18.98 → Mate in 7) Checkmate is now unavoidable. Best move was a6. } { [%eval #7] [%clk 0:05:49] } (15... a6 16. Rxa6) 16. Nxe7+?! { (Mate in 7 → 17.43) Lost forced checkmate sequence. Best move was Nb6+. } { [%eval 17.43] [%clk 0:06:48] } (16. Nb6+ Kc6 17. Qd5+ Kxb6 18. b5 Bb4+ 19. Bd2 Bxd2+ 20. Nxd2 a5 21. Nc4+ Ka7 22. Rxa5#) 16... Ke6 { [%eval 37.49] [%clk 0:05:35] } 17. Nc6 { [%eval 34.06] [%clk 0:06:48] } 17... Kf5?! { (34.06 → Mate in 4) Checkmate is now unavoidable. Best move was Qe8. } { [%eval #4] [%clk 0:05:33] } (17... Qe8 18. Nfxe5) 18. Nxb8?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Qd7+. } { [%eval #6] [%clk 0:06:48] } (18. Qd7+ Kf6 19. Bg5+ Kg6 20. Ne7+ Kh5 21. Qh3#) 18... Rxb8 { [%eval #5] [%clk 0:05:31] } 19. Qd3+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qd7+. } { [%eval #6] [%clk 0:06:49] } (19. Qd7+ Kf6 20. Ng5 Kg6 21. Qxf7+ Kh6 22. Nf3+ g5 23. Bxg5#) 19... Kf6 { [%eval #4] [%clk 0:05:28] } 20. Bg5+ { [%eval #3] [%clk 0:06:49] } 20... Ke6 { [%eval #3] [%clk 0:05:28] } 21. Qa6+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was O-O-O. } { [%eval #5] [%clk 0:06:49] } (21. O-O-O Rd8 22. Bxd8 f6 23. Qd7#) 21... Kd5 { [%eval #2] [%clk 0:05:26] } 22. O-O-O+ { [%eval #1] [%clk 0:06:50] } 22... Ke4 { [%eval #1] [%clk 0:05:24] } 23. Rhe1+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qd3#. } { [%eval #3] [%clk 0:06:49] } (23. Qd3#) 23... Kf5 { [%eval #3] [%clk 0:05:23] } 24. Qxa7?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Qd3+. } { [%eval #6] [%clk 0:06:48] } (24. Qd3+ Kg4 25. h3+ Kh5 26. Qxh7#) 24... Rxb4 { [%eval #6] [%clk 0:05:19] } 25. Rxe5+ { [%eval #5] [%clk 0:06:46] } 25... Kg4 { [%eval #3] [%clk 0:05:16] } 26. h3+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bf6. } { [%eval #4] [%clk 0:06:46] } (26. Bf6 gxf6 27. h3+ Kf4 28. Qe3#) 26... Kh5 { [%eval #4] [%clk 0:05:16] } 27. Bd2+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bf4+. } { [%eval #4] [%clk 0:06:45] } (27. Bf4+ f5 28. Rd6 Rxf4 29. Rxf5+ Rxf5 30. g4#) 27... Kg6 { [%eval #4] [%clk 0:05:15] } 28. Bxb4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rg5+. } { [%eval #4] [%clk 0:06:46] } (28. Rg5+ Kh6 29. Qc5 f6 30. Qe7 fxg5 31. Qxg5#) 28... Kf6 { [%eval #2] [%clk 0:05:13] } 29. Qa6+ { [%eval #1] [%clk 0:06:46] } 29... c6 { [%eval #1] [%clk 0:05:09] } 30. Qxc6# { [%clk 0:06:45] } { White wins by checkmate. } 1-0


