lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/SNRceSFz"] [Date "2022.03.29"] [Round "-"] [White "IHATELISHOGI"] [Black "Mariaj"] [Result "1-0"] [UTCDate "2022.03.29"] [UTCTime "14:35:24"] [WhiteElo "1584"] [BlackElo "1369"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "300+2"] [ECO "C50"] [Opening "Italian Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 { C50 Italian Game } b5? { (0.14 → 2.26) Mistake. Best move was Nf6. } (3... Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. b4 Bb6 8. h3) 4. Bxb5 a6?! { (1.65 → 2.43) Inaccuracy. Best move was Nge7. } (4... Nge7 5. c3 Rb8 6. Bc4 d5 7. exd5 Nxd5 8. O-O Be7 9. d4 exd4 10. Nxd4 Nxd4 11. Qxd4) 5. Bxc6?! { (2.43 → 1.72) Inaccuracy. Best move was Ba4. } (5. Ba4 a5 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 Qe7 9. O-O Qc5 10. Be3 Qxd4 11. Bxd4 h5) 5... dxc6 6. O-O Bc5? { (1.94 → 3.50) Mistake. Best move was Bd6. } (6... Bd6 7. d4) 7. Nxe5 Nf6 8. d3 O-O 9. Nc3?! { (3.55 → 2.79) Inaccuracy. Best move was Nd2. } (9. Nd2) 9... Bd6?! { (2.79 → 3.56) Inaccuracy. Best move was Re8. } (9... Re8) 10. Nc4 Ng4 11. Nxd6?! { (3.55 → 2.83) Inaccuracy. Best move was h3. } (11. h3 Ne5 12. Nxd6 cxd6 13. f4 Nd7 14. f5 Qb6+ 15. Kh1 Bb7 16. Rb1 f6 17. Bf4 Ne5) 11... cxd6?! { (2.83 → 3.51) Inaccuracy. Best move was Qxd6. } (11... Qxd6 12. g3) 12. h3 Ne5?! { (3.12 → 3.74) Inaccuracy. Best move was Nf6. } (12... Nf6 13. b3 Bb7 14. Bb2 c5 15. Re1 h6 16. a4 d5 17. e5 Nh7 18. d4 Ng5 19. f4) 13. f4 Ng6? { (3.36 → 4.43) Mistake. Best move was Nd7. } (13... Nd7 14. f5) 14. f5 Ne7? { (3.77 → 5.58) Mistake. Best move was Ne5. } (14... Ne5) 15. f6 gxf6 16. Rxf6?! { (5.57 → 4.91) Inaccuracy. Best move was Bh6. } (16. Bh6 Be6 17. Qf3 Ng6 18. Bxf8 Nxf8 19. b3 Qa5 20. Qxf6 Qc5+ 21. Kh2 Nd7 22. Na4 Qe3) 16... Ng6?! { (4.91 → 5.85) Inaccuracy. Best move was Kh8. } (16... Kh8 17. Qh5) 17. Bg5 h6?? { (4.77 → 12.10) Blunder. Best move was Qb6+. } (17... Qb6+) 18. Rxg6+ fxg6 19. Bxd8 Rxd8 20. Qf3 Rf8 21. Qg3 h5 22. Qxg6+ Kh8 23. Qxh5+ Kg8 24. Qg6+ Kh8 25. Qxd6 Bb7 26. Rf1 Rxf1+ 27. Kxf1 Bc8?! { (21.85 → Mate in 16) Checkmate is now unavoidable. Best move was Re8. } (27... Re8 28. Qd7) 28. Qd8+?! { (Mate in 16 → 154.14) Lost forced checkmate sequence. Best move was Qxc6. } (28. Qxc6 Bb7 29. Qxb7 Rf8+ 30. Kg1 Kg8 31. Nd5 Rf7 32. Qc8+ Kh7 33. Qe8 Kg7 34. Qd8 a5) 28... Kg7 29. Kf2 Rb8?! { (67.35 → Mate in 16) Checkmate is now unavoidable. Best move was Bb7. } (29... Bb7 30. Qc7+) 30. Qc7+ Bd7 31. Qxb8 Bxh3?! { (77.80 → Mate in 7) Checkmate is now unavoidable. Best move was Kf7. } (31... Kf7 32. Qb7) 32. Qg3+ Bg4 33. Qxg4+ Kf7 34. Qd7+ Kg6 35. Qxc6+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qe7. } (35. Qe7 Kh6 36. Ne2 a5 37. Nf4 a4 38. g4 c5 39. g5#) 35... Kg5 36. Qxa6 Kf4 37. Qb6?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qf6+. } (37. Qf6+ Kg4 38. Qf5+ Kh4 39. g3#) 37... Ke5 38. a4?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qg6. } (38. Qg6 Kf4 39. Qg3#) 38... Kf4 39. a5?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qf6+. } (39. Qf6+ Kg4 40. Qf5+ Kh4 41. g3#) 39... Kg4 40. a6?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qg6+. } (40. Qg6+ Kh4 41. g3+ Kh3 42. Qh5#) 40... Kf4 41. a7?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qf6+. } (41. Qf6+ Kg4 42. Qf5+ Kh4 43. g3#) 41... Ke5 42. a8=Q?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qh6. } (42. Qh6 Kd4 43. Qd6#) 42... Kf4 43. Qf8+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qh6+. } (43. Qh6+ Kg4 44. Qc8#) 43... Kg4 44. Qf5+ Kh4 45. Qh6# { White wins by checkmate. } 1-0