lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/J5Jhcr0K"] [Date "2021.03.17"] [Round "-"] [White "RIPServer"] [Black "mikhapro"] [Result "1-0"] [UTCDate "2021.03.17"] [UTCTime "17:50:48"] [WhiteElo "1500"] [BlackElo "1613"] [WhiteRatingDiff "+239"] [BlackRatingDiff "-13"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation Accepted"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4?! { (0.36 → -0.47) Inaccuracy. Best move was Bb5. } (4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. h3 a6 8. Bxc6 bxc6) 4... exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 Bc5?! { (-0.18 → 0.35) Inaccuracy. Best move was Bb4. } (5... Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. Qe2+ Be7 10. O-O) 6. Nxc6?! { (0.35 → -0.44) Inaccuracy. Best move was Be3. } (6. Be3 Bb6 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Bf4 Be6 10. Bd3 Nd7 11. Na4 f6 12. Nxb6 axb6) 6... dxc6? { (-0.44 → 0.64) Mistake. Best move was bxc6. } (6... bxc6 7. Bc4 O-O 8. O-O d6 9. Qd3 Re8 10. h3 Rb8 11. b3 Bb7 12. Rd1 Qe7 13. Qf3) 7. Qxd8+ Kxd8 8. Bg5 Be7?! { (0.37 → 1.19) Inaccuracy. Best move was h6. } (8... h6 9. Bf4) 9. O-O-O+ Ke8?! { (0.92 → 1.52) Inaccuracy. Best move was Bd7. } (9... Bd7 10. f3) 10. e5? { (1.52 → -0.26) Mistake. Best move was Bf4. } (10. Bf4) 10... Nd7?! { (-0.26 → 0.65) Inaccuracy. Best move was Ng4. } (10... Ng4) 11. Bxe7?! { (0.65 → -0.29) Inaccuracy. Best move was h4. } (11. h4 h6) 11... Kxe7 12. Bc4?! { (0.50 → -0.36) Inaccuracy. Best move was f4. } (12. f4 h5) 12... Kf8?? { (-0.36 → 4.36) Blunder. Best move was a5. } (12... a5 13. f4) 13. Rhe1? { (4.36 → 3.00) Mistake. Best move was e6. } (13. e6 fxe6 14. Bxe6 Nc5 15. Rd8+ Ke7 16. Rxh8 Nxe6 17. Rxh7 Kf7 18. Rh3 Nd4 19. Rh8 b6) 13... g6?! { (3.00 → 3.55) Inaccuracy. Best move was g5. } (13... g5 14. e6) 14. f4? { (3.55 → 1.47) Mistake. Best move was e6. } (14. e6 Nf6 15. exf7 Bf5 16. f3 h5 17. Re5 Rc8 18. a4 Kg7 19. Re7 Rhf8 20. h4 a6) 14... Kg7? { (1.47 → 3.56) Mistake. Best move was Nc5. } (14... Nc5) 15. e6? { (3.56 → 0.61) Mistake. Best move was Bxf7. } (15. Bxf7) 15... fxe6?? { (0.61 → 3.74) Blunder. Best move was Nb6. } (15... Nb6 16. Bb3) 16. Rxe6 Rd8?? { (3.48 → 10.72) Blunder. Best move was Kh6. } (16... Kh6 17. Re7) 17. Re7+ Kf8?! { (10.07 → Mate in 6) Checkmate is now unavoidable. Best move was Kh8. } (17... Kh8 18. Ne4) 18. Rxh7?! { (Mate in 6 → 10.95) Lost forced checkmate sequence. Best move was Rf7+. } (18. Rf7+ Kg8 19. Ne4 Kh8 20. Ng5 Nf8 21. Rxd8 Be6 22. Rxh7+ Kg8 23. Bxe6#) 18... Ke8?! { (10.95 → Mate in 7) Checkmate is now unavoidable. Best move was Re8. } (18... Re8 19. Rh8+) 19. Re1+ Kf8 20. Rf7+ Kg8 21. Rxd7+ Kf8 22. Rxd8+ Kg7 23. Re7+ Kf6 24. Re5?! { (Mate in 1 → Mate in 7) Not the best checkmate sequence. Best move was Rf7#. } (24. Rf7#) 24... Bg4 25. Rxa8?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Ne4+. } (25. Ne4+ Kg7 26. Re7+ Kh6 27. Ng5 Rxd8 28. Rh7#) 25... g5 26. Rf8+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Ne4+. } (26. Ne4+ Kg6 27. Rxg5+ Kh7 28. Nf6+ Kh6 29. Rh8#) 26... Kg7 27. Rg8+ Kf6 28. Rexg5?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Ne4#. } (28. Ne4#) 28... Bd7 29. Ne4+ Ke7 30. R5g7# { White wins by checkmate. } 1-0