lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/ZEFI7UVI"] [Date "2020.10.12"] [Round "-"] [White "Mateo_2011"] [Black "stefan-vartolomei12"] [Result "1-0"] [UTCDate "2020.10.12"] [UTCTime "16:00:03"] [WhiteElo "1602"] [BlackElo "1496"] [WhiteRatingDiff "+21"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Qf3? { (0.34 → -0.82) Mistake. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Qf6? { (-0.82 → 0.75) Mistake. Best move was Nf6. } (2... Nf6 3. d4 c5 4. Qd1 d5 5. Nf3 Be7 6. Be2 O-O 7. O-O) 3. Qxf6? { (0.75 → -0.30) Mistake. Best move was d4. } (3. d4) 3... Nxf6 4. g3?! { (0.18 → -0.51) Inaccuracy. Best move was b3. } (4. b3 Be7) 4... Ng4?! { (-0.51 → 0.44) Inaccuracy. Best move was d5. } (4... d5 5. Nc3) 5. Bg2 Na6?! { (0.05 → 0.65) Inaccuracy. Best move was d5. } (5... d5 6. b3 Be7 7. Bb2 O-O 8. Ne2 c5 9. d3 Nc6 10. h3 Bf6 11. Bc3 Nb4 12. Na3) 6. Nf3?! { (0.65 → -0.13) Inaccuracy. Best move was a3. } (6. a3 Be7) 6... Nb4 7. Na3 Na6?! { (-0.16 → 0.73) Inaccuracy. Best move was Be7. } (7... Be7 8. O-O) 8. O-O?! { (0.73 → 0.20) Inaccuracy. Best move was e4. } (8. e4 Nf6) 8... Bxa3?! { (0.20 → 0.80) Inaccuracy. Best move was d5. } (8... d5 9. b3 Be7 10. c3 O-O 11. Nb5 b6 12. Re1 Bb7 13. a4 Nh6 14. d4 f6 15. Ba3) 9. bxa3 O-O 10. Bh3?! { (0.83 → 0.08) Inaccuracy. Best move was Rb1. } (10. Rb1 Nc5 11. d3 d6 12. Nd4 Bd7 13. Ne2 Rab8 14. d4 Na4 15. Bxb7 Nf6 16. Bd2 Nb6) 10... Nf6 11. Bb2?! { (0.36 → -0.17) Inaccuracy. Best move was Bg2. } (11. Bg2 Nc5 12. Nd4 d5 13. d3 b6 14. f4 Bb7 15. Rb1 a5 16. h3 Ne8 17. Kh2 Nd6) 11... Nd5?! { (-0.17 → 0.44) Inaccuracy. Best move was Nc5. } (11... Nc5 12. d3 b6 13. Nd2 Bb7 14. f4 d6 15. Rae1 Nfd7 16. e4 a5 17. Ba1 Rae8 18. d4) 12. g4?! { (0.44 → -0.24) Inaccuracy. Best move was d4. } (12. d4 Ne7 13. Nd2 d6 14. Rab1 b6 15. c4 c5 16. Bc3 Bb7 17. a4 f5 18. g4 f4) 12... f5?! { (-0.24 → 0.40) Inaccuracy. Best move was Nc5. } (12... Nc5 13. Nd4 d6 14. Bg2 Bd7 15. Rab1 Rab8 16. f4 Na4 17. Bc1 b5 18. Ne2 h6 19. e4) 13. gxf5 exf5 14. Kh1?! { (0.42 → -0.25) Inaccuracy. Best move was Nd4. } (14. Nd4 d6) 14... d6 15. Rg1 Bd7?? { (-0.13 → Mate in 22) Checkmate is now unavoidable. Best move was g6. } (15... g6 16. Nd4 c6 17. d3 Nc5 18. Bg2 Bd7 19. Rae1 Nf6 20. h3 Na4 21. Bc1 c5 22. Ne2) 16. Rxg7+ Kh8 17. Rxd7+ Kg8?! { (25.50 → Mate in 1) Checkmate is now unavoidable. Best move was Rf6. } (17... Rf6 18. Rg1) 18. Bxf5? { (Mate in 1 → 8.00) Lost forced checkmate sequence. Best move was Rg1#. } (18. Rg1#) 18... Nb6? { (8.00 → Mate in 1) Checkmate is now unavoidable. Best move was Rxf5. } (18... Rxf5 19. Rg1+ Kf8 20. Rxh7 Rxf3 21. Rh8+ Ke7 22. Rg7+ Rf7 23. Rxf7+ Kxf7 24. Rxa8 Nc5 25. Rxa7) 19. Be6+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Bxh7#. } (19. Bxh7#) 19... Rf7 20. Bxf7+?! { (Mate in 2 → 12.50) Lost forced checkmate sequence. Best move was Rxf7. } (20. Rxf7 Nc4 21. Rg1#) 20... Kf8 21. Ng5? { (12.62 → 8.27) Mistake. Best move was Be6. } (21. Be6 Nxd7 22. Bxd7 Ke7 23. Bf5 Rf8 24. Nh4 Rf7 25. Rg1 Nc5 26. Rg7 Rxg7 27. Bxg7 Kf7) 21... h6? { (8.27 → Mate in 1) Checkmate is now unavoidable. Best move was Nxd7. } (21... Nxd7 22. Bc4) 22. Nh7# { White wins by checkmate. } 1-0