lichess dev

[Event "Turneul Academiei Arena"] [Site "http://chess-academy.net/8arFSApZ"] [Date "2019.11.03"] [Round "-"] [White "Nicuta_Bogdan_6643"] [Black "Vlad_Costrov_12725"] [Result "0-1"] [UTCDate "2019.11.03"] [UTCTime "16:06:48"] [WhiteElo "1233"] [BlackElo "1361"] [WhiteRatingDiff "-74"] [BlackRatingDiff "+40"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } Nf6? { (0.00 → 1.41) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bb5+ c6 6. Bd3 Qe7+ 7. Be2) 3. Nh4?? { (1.41 → -2.14) Blunder. Best move was e5. } (3. e5 Nd5) 3... Nxe4 4. Bd3? { (-1.59 → -3.63) Mistake. Best move was Nf3. } (4. Nf3 d5) 4... Nf6? { (-3.63 → -1.83) Mistake. Best move was Nxf2. } (4... Nxf2 5. Kxf2 Qxh4+ 6. g3 Qd4+ 7. Kg2 Qd5+ 8. Qf3 Qxf3+ 9. Kxf3 b6 10. Rf1 Bb7+ 11. Ke2) 5. Nf3?! { (-1.83 → -2.45) Inaccuracy. Best move was c3. } (5. c3 d5 6. Bc2 Bd6 7. d4 c5 8. O-O Nc6 9. Nf3 O-O 10. dxc5 Bxc5 11. Bg5 h6) 5... Nc6? { (-2.45 → -1.36) Mistake. Best move was d5. } (5... d5) 6. g4? { (-1.36 → -3.49) Mistake. Best move was O-O. } (6. O-O d5 7. Re1 Bd6 8. Bf1 O-O 9. d4 h6 10. Ne5 Ne4 11. Nc3 Nxe5 12. Nxe4 dxe4) 6... Nxg4 7. Rg1?! { (-2.69 → -3.54) Inaccuracy. Best move was Be2. } (7. Be2 e5 8. d4 exd4 9. h3 Nf6 10. Nxd4 Bc5 11. Be3 Bxd4 12. Bxd4 O-O 13. Nc3 d5) 7... Nge5 8. Nxe5 Nxe5 9. Bb5? { (-2.89 → -4.78) Mistake. Best move was Be2. } (9. Be2 Qh4 10. d4 Qxh2 11. Rg3 Ng6 12. Bf1 Be7 13. Qe2 O-O 14. Be3 Nh4 15. Nd2 Nf5) 9... Bc5?! { (-4.78 → -3.90) Inaccuracy. Best move was Qf6. } (9... Qf6) 10. Bxd7+?? { (-3.90 → -9.57) Blunder. Best move was Rg2. } (10. Rg2 Qf6 11. Kf1 Ng6 12. Nc3 Bd4 13. Qg4 O-O 14. Qg5 d5 15. Be2 Qxg5 16. Rxg5 Bd7) 10... Qxd7? { (-9.57 → -7.89) Mistake. Best move was Bxd7. } (10... Bxd7) 11. d3 Bb4+? { (-8.05 → -6.58) Mistake. Best move was b6. } (11... b6 12. Be3) 12. c3? { (-6.58 → -8.64) Mistake. Best move was Bd2. } (12. Bd2 Bxd2+) 12... Ba5? { (-8.64 → -6.64) Mistake. Best move was Nxd3+. } (12... Nxd3+) 13. d4 Nc4? { (-7.17 → -4.95) Mistake. Best move was Ng6. } (13... Ng6) 14. Rg6?? { (-4.95 → -14.28) Blunder. Best move was Nd2. } (14. Nd2 Nxd2 15. Bxd2 g6 16. Qf3 f5 17. Qe2 Qd5 18. b3 Bd7 19. O-O-O O-O-O 20. Kb2 Bb5) 14... hxg6 15. f4 Rxh2 16. Na3?! { (-21.32 → Mate in 8) Checkmate is now unavoidable. Best move was Qf3. } (16. Qf3 Qxd4 17. Kf1 Qd5 18. Qxd5 exd5 19. Na3 Nxa3 20. Kg1 Rc2 21. Be3 Rxb2 22. Re1 Rb1) 16... Rh1+?! { (Mate in 8 → -32.77) Lost forced checkmate sequence. Best move was Qd5. } (16... Qd5 17. Qe2 Qh1+ 18. Qf1 Qe4+ 19. Kd1 Nxa3 20. Rb1 e5 21. Qb5+ Nxb5 22. Bd2 Qd3 23. Ke1) 17. Ke2 Rxd1 18. Kxd1 Nxa3 19. bxa3 Bxc3 20. Bd2?! { (-74.78 → Mate in 7) Checkmate is now unavoidable. Best move was Rb1. } (20. Rb1 Qxd4+) 20... Bxa1?! { (Mate in 7 → -82.58) Lost forced checkmate sequence. Best move was Qxd4. } (20... Qxd4 21. Ke2 Qxd2+ 22. Kf3 Bxa1 23. Kg3 Bd4 24. f5 exf5 25. a4 Qf2+ 26. Kh3 f4#) 21. Kc1?! { (-82.58 → Mate in 7) Checkmate is now unavoidable. Best move was f5. } (21. f5 exf5) 21... Bxd4 22. Kc2 Qa4+ 23. Kd3 Bf6?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was e5. } (23... e5 24. fxe5 Bf5+ 25. Ke2 Qc4+ 26. Ke1 Bg4 27. a4 Qe2#) 24. Be3 Qxa3+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qd1+. } (24... Qd1+ 25. Bd2 Bd7 26. Ke3 Bc6 27. Kd3 Qf1+ 28. Kc2 Ba4#) 25. Kc4 Qxe3?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qc3+. } (25... Qc3+ 26. Kb5 Bd7#) 26. Kb4 Qxf4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qc3+. } (26... Qc3+ 27. Kb5 Bd7#) 27. Kb3 Qe5?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qd2. } (27... Qd2 28. Ka4 Bd7+ 29. Ka3 Qc3#) 28. a4 Qc3+ 29. Ka2 Qb2# { Black wins by checkmate. } 0-1