lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/gUPJ9cSG"] [Date "2020.12.02"] [Round "-"] [White "stefano"] [Black "alexandrustratulat"] [Result "1-0"] [UTCDate "2020.12.02"] [UTCTime "17:45:53"] [WhiteElo "1667"] [BlackElo "1314"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 { B20 Sicilian Defense } 2. Qf3? { (0.53 → -1.08) Mistake. Best move was Ne2. } (2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qe5+) 2... f6? { (-1.08 → 1.33) Mistake. Best move was Nc6. } (2... Nc6 3. c3) 3. Bc4? { (1.33 → 0.33) Mistake. Best move was Qh5+. } (3. Qh5+ g6 4. Qxc5 e6 5. Qe3 Bh6 6. Qb3 Ne7 7. Nf3 O-O 8. Be2 d5 9. exd5 exd5) 3... h6?? { (0.33 → Mate in 2) Checkmate is now unavoidable. Best move was e6. } (3... e6 4. d3 Nc6 5. Nc3 Nd4 6. Qd1 a6 7. Nf3 b5 8. Bb3 Ne7 9. O-O Nec6 10. Nxd4) 4. e5?? { (Mate in 2 → 0.74) Lost forced checkmate sequence. Best move was Qh5+. } (4. Qh5+ g6 5. Qxg6#) 4... d6?? { (0.74 → 5.50) Blunder. Best move was h5. } (4... h5 5. Qg3 e6 6. Qg6+ Ke7 7. Nf3 Nc6 8. O-O Rh6 9. Qg3 d5 10. exd6+ Qxd6 11. d3) 5. exf6?? { (5.50 → -0.84) Blunder. Best move was e6. } (5. e6 h5) 5... exf6? { (-0.84 → 1.49) Mistake. Best move was Nxf6. } (5... Nxf6 6. Bb5+) 6. Qh5+ Kd7 7. Qf7+? { (1.54 → 0.24) Mistake. Best move was Nc3. } (7. Nc3 Qe8+) 7... Kc6? { (0.24 → 2.46) Mistake. Best move was Qe7+. } (7... Qe7+ 8. Ne2 Nc6 9. Nc3 Qxf7 10. Bxf7 Nge7 11. d3 b6 12. Be3 Bb7 13. O-O g5 14. d4) 8. Nc3? { (2.46 → 1.25) Mistake. Best move was Ne2. } (8. Ne2) 8... Be7?? { (1.25 → 8.89) Blunder. Best move was Qe7+. } (8... Qe7+ 9. Nge2) 9. Qd5+?? { (8.89 → 2.85) Blunder. Best move was Qxg7. } (9. Qxg7 f5 10. Qxh8 Nf6 11. Qxh6 Nbd7 12. Nf3 Nb6 13. Be2 Bf8 14. Qh4 Be7 15. O-O Nfd5) 9... Kc7?! { (2.85 → 3.57) Inaccuracy. Best move was Kb6. } (9... Kb6) 10. Nb5+ Kd7? { (3.11 → 4.42) Mistake. Best move was Kb6. } (10... Kb6) 11. Qe6+?! { (4.42 → 3.44) Inaccuracy. Best move was Qf5+. } (11. Qf5+) 11... Kc6 12. a4?? { (3.85 → -8.49) Blunder. Best move was Qd5+. } (12. Qd5+ Kb6 13. d4 a6 14. Nxd6 Bxd6 15. dxc5+ Kc7 16. cxd6+ Qxd6 17. Qxd6+ Kxd6 18. Bf4+ Kc5) 12... a6?? { (-8.49 → Mate in 4) Checkmate is now unavoidable. Best move was Bxe6. } (12... Bxe6 13. Bxe6 Na6 14. c3 d5 15. Nf3 Nc7 16. Nxc7 Qxc7 17. O-O Bd6 18. Re1 b6 19. d4) 13. Bd5+ Kb6 14. Qe3?? { (Mate in 3 → -4.30) Lost forced checkmate sequence. Best move was a5+. } (14. a5+ Kxb5 15. Qe2+ Kb4 16. c3#) 14... axb5 15. b4 bxa4? { (-4.40 → -3.20) Mistake. Best move was Nc6. } (15... Nc6 16. Bxc6) 16. bxc5+? { (-3.20 → -4.65) Mistake. Best move was Ne2. } (16. Ne2 Nc6) 16... Kc7? { (-4.65 → -2.26) Mistake. Best move was dxc5. } (16... dxc5 17. Qf3) 17. cxd6+? { (-2.26 → -5.13) Mistake. Best move was Qg3. } (17. Qg3) 17... Bxd6 18. Qc3+? { (-4.09 → -5.70) Mistake. Best move was Ne2. } (18. Ne2 Ne7) 18... Kb6?? { (-5.70 → 1.68) Blunder. Best move was Nc6. } (18... Nc6 19. Ne2 Ne7 20. Bf3 Re8 21. O-O Nf5 22. d4 Rxe2 23. Bxe2 Nxd4 24. Bh5 Be5 25. Qd2) 19. Qd4+?? { (1.68 → -4.05) Blunder. Best move was Rb1+. } (19. Rb1+ Ka7 20. Qd4+ b6 21. Bxa8 Kxa8 22. Rxb6 Qe8+ 23. Ne2 Bc7 24. Qd5+ Ka7 25. Rb4 Qc6) 19... Kc7 20. Qc4+ Kd7?? { (-4.13 → 1.95) Blunder. Best move was Nc6. } (20... Nc6 21. Bxc6 bxc6 22. Rxa4 Bb7 23. Ne2 Ne7 24. O-O Rxa4 25. Qxa4 Qa8 26. Qb3 Qg8 27. c4) 21. Qb5+?? { (1.95 → -3.60) Blunder. Best move was Be6+. } (21. Be6+ Ke8) 21... Ke7?! { (-3.60 → -3.00) Inaccuracy. Best move was Nc6. } (21... Nc6 22. Rxa4) 22. Nf3? { (-3.00 → -4.85) Mistake. Best move was Rxa4. } (22. Rxa4 Rxa4 23. Qxa4 Qd7 24. Qc4 Kf8 25. Nf3 Ne7 26. Be4 Na6 27. d4 Nb4 28. O-O b5) 22... Ra6? { (-4.85 → -2.45) Mistake. Best move was Kf8. } (22... Kf8 23. Qe2 Qe7 24. Nd4 Qxe2+ 25. Kxe2 Ne7 26. Bc4 Nbc6 27. Nb5 Bc5 28. Rd1 Nf5 29. Bb2) 23. O-O?! { (-2.45 → -3.35) Inaccuracy. Best move was Rxa4. } (23. Rxa4 Kf8) 23... b6?? { (-3.35 → 2.98) Blunder. Best move was Kf8. } (23... Kf8 24. Ba3 Ne7 25. Bc4 Ra5 26. Qb2 h5 27. Rfe1 Nbc6 28. h3 Bxa3 29. Rxa3 Qd6 30. Rea1) 24. Re1+?? { (2.98 → -0.31) Blunder. Best move was Nh4. } (24. Nh4 Qd7) 24... Kf8 25. Bxg8?? { (-0.13 → -3.55) Blunder. Best move was Nh4. } (25. Nh4 g5 26. Ng6+ Kg7 27. Nxh8 Ra5 28. Re8 Rxb5 29. Rxd8 Rxd5 30. Rxc8 b5 31. h4 Kxh8) 25... Rxg8? { (-3.55 → -2.33) Mistake. Best move was Ra5. } (25... Ra5 26. Qd3 Bf5 27. Qc4 Rxg8 28. Ba3 Bxa3 29. Rxa3 Bd7 30. Rae3 Nc6 31. d4 a3 32. Ra1) 26. Qd5?? { (-2.33 → -14.64) Blunder. Best move was Ba3. } (26. Ba3 Bxa3) 26... Rh8?? { (-14.64 → 1.98) Blunder. Best move was Bxh2+. } (26... Bxh2+ 27. Kxh2 Qxd5 28. Ba3+ Kf7 29. Re7+ Kg6 30. c3 Nc6 31. Re3 b5 32. d4 Bg4 33. Kg1) 27. Ba3 Be7?? { (0.63 → Mate in 7) Checkmate is now unavoidable. Best move was b5. } (27... b5 28. Nd4 b4 29. Bxb4 Qb6 30. Qc4 Bd7 31. Ne6+ Bxe6 32. Qxe6 Qd8 33. Qd5 Qd7 34. Re6) 28. Bxe7+ Qxe7 29. Rxe7 Kxe7 30. Re1+ Kf8 31. Qd8+?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Nh4. } (31. Nh4 Be6 32. Qxe6 g6 33. Qe8+ Kg7 34. Re7#) 31... Kf7 32. Qe7+?! { (Mate in 6 → 16.71) Lost forced checkmate sequence. Best move was Re7+. } (32. Re7+ Kg6 33. Qxh8 Be6 34. Rxg7+ Kf5 35. Qh7+ Kf4 36. g3+ Kxf3 37. Qd3#) 32... Kg6 33. Nh4+ Kg5?! { (14.81 → Mate in 4) Checkmate is now unavoidable. Best move was Kh7. } (33... Kh7 34. Qe4+) 34. g3?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Re5+. } (34. Re5+ Kxh4 35. g3+ Kh3 36. Rh5+ Kg4 37. Qe2#) 34... b5 35. f4+?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qxg7+. } (35. Qxg7+ Kh5 36. Qg6#) 35... Kg4 36. Qe2+ Kh3 37. Qh5?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qf3. } (37. Qf3 Bd7 38. g4+ Kxh4 39. Qg3#) 37... g5 38. Nf3# { White wins by checkmate. } 1-0