lichess dev

[Event "Classical Shield Arena"] [Site "http://chess-academy.net/1ojrYsFq"] [Date "2022.07.08"] [Round "-"] [White "Artemy_Denisenko"] [Black "kirill_okorokov202"] [Result "1-0"] [UTCDate "2022.07.08"] [UTCTime "13:38:39"] [WhiteElo "1717"] [BlackElo "1571"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-20"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "D02"] [Opening "Queen's Pawn Game: Krause Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nf3 c5 { D02 Queen's Pawn Game: Krause Variation } 3. e3?! { (0.62 → 0.01) Inaccuracy. Best move was c4. } (3. c4 cxd4 4. cxd5 Nf6 5. Nxd4 Nxd5 6. e4 Nb4 7. Be3 e5) 3... Nc6 4. a3?! { (0.44 → -0.40) Inaccuracy. Best move was c4. } (4. c4 e6 5. Be2 dxc4 6. O-O a6 7. Bxc4 Nf6 8. dxc5 Bxc5 9. Qxd8+ Nxd8 10. b3 O-O) 4... Nf6? { (-0.40 → 0.81) Mistake. Best move was cxd4. } (4... cxd4 5. exd4 Bg4 6. Be2 e6 7. h3 Bh5 8. Be3 Bd6 9. Nbd2 Nf6 10. O-O O-O 11. Rc1) 5. Bd3? { (0.81 → -0.60) Mistake. Best move was dxc5. } (5. dxc5 a5 6. Nc3 Bg4 7. Na4 e6 8. h3 Bh5 9. b3 Be7 10. Bb2 O-O 11. Be2 Ne4) 5... e6?! { (-0.60 → 0.33) Inaccuracy. Best move was Bg4. } (5... Bg4 6. Be2 cxd4 7. exd4 e6 8. h3 Bh5 9. O-O Bd6 10. Be3 O-O 11. Nbd2 Ne7 12. Rc1) 6. b3?! { (0.33 → -0.23) Inaccuracy. Best move was O-O. } (6. O-O) 6... g6? { (-0.23 → 0.93) Mistake. Best move was b6. } (6... b6) 7. Bb2? { (0.93 → -0.32) Mistake. Best move was dxc5. } (7. dxc5 Bxc5 8. Bb2 O-O 9. Nbd2 e5 10. b4 Bd6 11. b5 e4 12. Bxf6 Qxf6 13. Bxe4 Qe6) 7... Ng4? { (-0.32 → 2.31) Mistake. Best move was cxd4. } (7... cxd4 8. exd4 Bg7 9. Nbd2 O-O 10. O-O b6 11. Re1 Bb7 12. c3 Rc8 13. a4 Nd7 14. b4) 8. dxc5 Bxc5?? { (2.06 → 5.60) Blunder. Best move was f6. } (8... f6) 9. Bxh8 Bd7? { (5.59 → 7.51) Mistake. Best move was f6. } (9... f6 10. h3) 10. Bb2 a5?! { (7.10 → 7.95) Inaccuracy. Best move was Qc7. } (10... Qc7) 11. h3 Nf6 12. Nd4? { (8.05 → 6.82) Mistake. Best move was O-O. } (12. O-O Kf8 13. c4 Kg8 14. Nc3 Rc8 15. Be2 Bf8 16. Qd2 Be8 17. Rfd1 h6 18. cxd5 exd5) 12... Nxd4 13. exd4 Bd6?! { (6.66 → 7.16) Inaccuracy. Best move was Be7. } (13... Be7 14. a4 Kf8 15. O-O Nh5 16. Re1 Rc8 17. c3 Nf6 18. Nd2 Kg8 19. Nf3 Be8 20. Qd2) 14. c4?! { (7.16 → 6.63) Inaccuracy. Best move was a4. } (14. a4 Nh5 15. g3 Kf8 16. Nd2 Kg8 17. O-O Ng7 18. Nf3 Rc8 19. c4 Nf5 20. c5 Bf8) 14... e5?? { (6.63 → 11.87) Blunder. Best move was Be7. } (14... Be7) 15. dxe5 Bc7 16. exf6 a4 17. Qe2+ Kf8 18. Qe3 Qe8 19. Qxe8+ Rxe8+ 20. Kd2 Bf4+ 21. Kc2 h5 22. Nd2 Bc6 23. cxd5 Bxd5 24. Bc4 Bxg2 25. Rhg1 Bc6 26. Bc3 g5 27. Bb4+ Kg8 28. Rae1 Rd8 29. Re7 Bxd2 30. Bxd2 b5?! { (19.61 → Mate in 6) Checkmate is now unavoidable. Best move was g4. } (30... g4 31. Bxf7+ Kh8 32. hxg4 Bf3 33. g5 Bg4 34. g6 b5 35. Kc1 Rc8+ 36. Kb2 b4 37. g7+) 31. Bxf7+ Kh7 32. Bd5+?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Rxg5. } (32. Rxg5 Rxd2+ 33. Kxd2 Bf3 34. Ree5 axb3 35. Rxh5+ Bxh5 36. Rxh5#) 32... Kg6 33. Bxc6?! { (Mate in 2 → 17.50) Lost forced checkmate sequence. Best move was Rxg5+. } (33. Rxg5+ Kxf6 34. Rf7#) 33... Rd6?! { (17.50 → Mate in 2) Checkmate is now unavoidable. Best move was axb3+. } (33... axb3+ 34. Kd1) 34. f7?! { (Mate in 2 → Mate in 9) Not the best checkmate sequence. Best move was Be4+. } (34. Be4+ Kxf6 35. Bxg5#) 34... Rxc6+ 35. Kb2 Rf6?! { (80.87 → Mate in 4) Checkmate is now unavoidable. Best move was Rc8. } (35... Rc8) 36. Rxg5+ Kh7 37. f8=Q+ Rf7 38. Rxf7# { White wins by checkmate. } 1-0