lichess dev

[Event "Turneul Academiei Arena"] [Site "http://chess-academy.net/MKTJ12x4"] [Date "2019.11.13"] [Round "-"] [White "LeancaNicolai"] [Black "Sofia"] [Result "1-0"] [UTCDate "2019.11.13"] [UTCTime "17:25:48"] [WhiteElo "1683"] [BlackElo "1060"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nc3?! { (0.53 → -0.15) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game: Chigorin Variation } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... e6?! { (-0.15 → 0.40) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3 c5 7. a3) 3. Bf4?! { (0.40 → -0.40) Inaccuracy. Best move was e4. } (3. e4 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Ne2 O-O 7. O-O Re8) 3... Bd7?! { (-0.40 → 0.48) Inaccuracy. Best move was Bd6. } (3... Bd6 4. Bg3) 4. Qd2?! { (0.48 → -0.35) Inaccuracy. Best move was e4. } (4. e4 dxe4 5. Nxe4 Bc6 6. Qd3 Nd7 7. Nf3 Ngf6 8. Nxf6+ Nxf6 9. O-O-O Bd6 10. Ne5 O-O) 4... Be7?! { (-0.35 → 0.57) Inaccuracy. Best move was Nf6. } (4... Nf6 5. e3 c5 6. Be2 cxd4 7. exd4 Nc6 8. Nf3 Bb4 9. O-O O-O 10. Bd3 Nh5 11. Be3) 5. O-O-O?! { (0.57 → -0.35) Inaccuracy. Best move was e4. } (5. e4 dxe4) 5... Nf6 6. e3?! { (0.00 → -0.61) Inaccuracy. Best move was f3. } (6. f3 c5) 6... O-O 7. Bd3? { (0.10 → -1.16) Mistake. Best move was Kb1. } (7. Kb1 a6 8. Nf3 b5 9. Bd3 Nc6 10. Ne2 Ne4 11. Qe1 Nb4 12. Ne5 Nxd3 13. Nxd3 b4) 7... Re8? { (-1.16 → 0.13) Mistake. Best move was b6. } (7... b6 8. g4) 8. e4 Kf8? { (-0.10 → 2.64) Mistake. Best move was dxe4. } (8... dxe4 9. Nxe4) 9. exd5? { (2.64 → 0.56) Mistake. Best move was e5. } (9. e5) 9... exd5 10. Qe3? { (0.88 → -0.57) Mistake. Best move was Nf3. } (10. Nf3 Kg8 11. Kb1 Bg4 12. Rde1 Nc6 13. Ne5 Be6 14. Nxc6 bxc6 15. f3 c5 16. dxc5 Rc8) 10... Ng4? { (-0.57 → 0.89) Mistake. Best move was Nc6. } (10... Nc6) 11. Qg3? { (0.89 → -0.85) Mistake. Best move was Qd2. } (11. Qd2) 11... Nf6?? { (-0.85 → 2.47) Blunder. Best move was Bh4. } (11... Bh4 12. Qf3 Nc6 13. Be3 Nb4 14. Kb1 Nxd3 15. Rxd3 c6 16. g3 Be7 17. h3 Nf6 18. Nge2) 12. Nf3?? { (2.47 → -1.24) Blunder. Best move was Bxc7. } (12. Bxc7 Qc8 13. Be5 Nh5 14. Qe3 Nf6 15. Qf4 Be6 16. Nf3 Nh5 17. Qe3 Nc6 18. Bxh7 Nf6) 12... Nh5 13. Bxc7 b6?? { (-1.16 → 8.77) Blunder. Best move was Nxg3. } (13... Nxg3 14. Bxd8) 14. Bxd8 Rxd8? { (8.44 → 11.03) Mistake. Best move was Nxg3. } (14... Nxg3 15. Bxe7+ Kxe7 16. hxg3 Be6 17. Rde1 h6 18. Nxd5+ Kd6 19. Ne3 Nc6 20. Be4 f5 21. Bxf5) 15. Qe5 f6 16. Qxd5 Ke8?! { (18.20 → Mate in 4) Checkmate is now unavoidable. Best move was Nf4. } (16... Nf4 17. Qxa8) 17. Bxh7?! { (Mate in 4 → 34.91) Lost forced checkmate sequence. Best move was Qg8+. } (17. Qg8+ Bf8 18. Rde1+ Be6 19. Qxe6+ Be7 20. Qxe7#) 17... Nf4?! { (34.91 → Mate in 18) Checkmate is now unavoidable. Best move was Bf5. } (17... Bf5 18. Qg8+) 18. Qg8+ Bf8 19. Bg6+ Ke7 20. Qf7+ Kd6 21. Nb5+ Kc6 22. Qc4+ Kb7 23. Be4+ Ka6?! { (17.94 → Mate in 1) Checkmate is now unavoidable. Best move was Bc6. } (23... Bc6 24. Bxc6+) 24. Nc3+?! { (Mate in 1 → 28.39) Lost forced checkmate sequence. Best move was Qa4#. } (24. Qa4#) 24... Bb5?! { (28.39 → Mate in 1) Checkmate is now unavoidable. Best move was b5. } (24... b5 25. Qc7) 25. Qxb5# { White wins by checkmate. } 1-0