lichess dev

[Event "Tartakower Arena"] [Site "http://chess-academy.net/4rta1bri"] [Date "2021.02.01"] [Round "-"] [White "David13"] [Black "AntArRus"] [Result "0-1"] [UTCDate "2021.02.01"] [UTCTime "17:53:55"] [WhiteElo "1346"] [BlackElo "1790"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. d3?! { (0.13 → -0.40) Inaccuracy. Best move was Nc3. } (3. Nc3 Nc6 4. d3 Na5 5. Bb3 Bb4 6. Nf3 Bxc3+ 7. bxc3 d6) 3... h6?! { (-0.40 → 0.52) Inaccuracy. Best move was c6. } (3... c6 4. Nf3 d5 5. Bb3 a5 6. c3 Bd6 7. d4 Nxe4 8. dxe5) 4. g4? { (0.52 → -1.61) Mistake. Best move was Nf3. } (4. Nf3 Nc6 5. O-O Bc5 6. c3 d6 7. b4 Bb6 8. Nbd2 O-O 9. a4 a5 10. b5 Ne7) 4... Bc5? { (-1.61 → -0.58) Mistake. Best move was c6. } (4... c6 5. h3 d5 6. Bb3 a5 7. a3 dxe4 8. Nc3 Bc5 9. dxe4 Qxd1+ 10. Nxd1 Nxe4 11. Nf3) 5. g5? { (-0.58 → -1.63) Mistake. Best move was h3. } (5. h3 c6) 5... hxg5? { (-1.63 → -0.54) Mistake. Best move was d5. } (5... d5) 6. Bxg5 Be7? { (-1.01 → 0.09) Mistake. Best move was c6. } (6... c6 7. Qf3) 7. Bxf6? { (0.09 → -1.30) Mistake. Best move was Nf3. } (7. Nf3 d6 8. Rg1 Nc6 9. Qe2 Na5 10. Bb3 Nxb3 11. axb3 c5 12. Nc3 Be6 13. Qf1 Qb6) 7... Bxf6 8. Nf3 d6?! { (-1.19 → -0.69) Inaccuracy. Best move was c6. } (8... c6 9. Qe2) 9. Nc3?! { (-0.69 → -1.47) Inaccuracy. Best move was Qe2. } (9. Qe2) 9... Bg4 10. h3? { (-0.98 → -2.25) Mistake. Best move was Rg1. } (10. Rg1 Bh5 11. Nd5 c6 12. Nxf6+ Qxf6 13. Rg3 Rh6 14. Rh3 Nd7 15. Qe2 Nc5 16. Qe3 b5) 10... Bh5?! { (-2.25 → -1.71) Inaccuracy. Best move was Nc6. } (10... Nc6) 11. Rg1?! { (-1.71 → -2.25) Inaccuracy. Best move was h4. } (11. h4 Kf8) 11... Nc6 12. Ng5?? { (-2.08 → -11.62) Blunder. Best move was Bb5. } (12. Bb5 Qd7) 12... Bxd1? { (-11.62 → -7.99) Mistake. Best move was Bxg5. } (12... Bxg5 13. Rg4) 13. Rxd1? { (-7.99 → -14.80) Mistake. Best move was Bxf7+. } (13. Bxf7+ Kd7) 13... Bxg5 14. Bd5 Qf6 15. Bxc6+ bxc6 16. Ne2 Bh4 17. Rg2 Rb8 18. b3 d5 19. exd5 cxd5 20. Nc3 e4 21. Nxd5 Qf3 22. Rb1 Qxg2 23. Kd1?! { (-30.68 → Mate in 6) Checkmate is now unavoidable. Best move was Kd2. } (23. Kd2 Qg5+) 23... Qf1+ 24. Kd2 Qxb1 25. Nxc7+ Kd7 26. Nd5 exd3?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Bxf2. } (26... Bxf2 27. Nb6+ Rxb6 28. dxe4 Qe1+ 29. Kd3 Rxh3+ 30. Kc4 Qxe4#) 27. cxd3 Bxf2?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qb2+. } (27... Qb2+ 28. Ke3 Rbe8+ 29. Ne7 Rxe7+ 30. Kf3 Qxf2+ 31. Kg4 f5#) 28. Ke2 Qf1+?! { (Mate in 5 → -33.52) Lost forced checkmate sequence. Best move was Rxh3. } (28... Rxh3 29. Kxf2 Qxa2+ 30. Kg1 Rc8 31. Nc3 Rxc3 32. b4 Rc1#) 29. Kxf1 Bc5 30. b4 Bd6 31. b5?! { (-18.76 → Mate in 14) Checkmate is now unavoidable. Best move was a3. } (31. a3 Rxh3) 31... Rxb5 32. Ne3 Rb1+ 33. Kf2 Rxh3 34. Nf5 Rh2+?! { (Mate in 5 → Mate in 12) Not the best checkmate sequence. Best move was Rb2+. } (34... Rb2+ 35. Kg1 Rxd3 36. Ne3 Rxe3 37. Kf1 Rc3 38. a4 Rc1#) 35. Kf3 g6 36. Ng7 Rf1+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Rh3+. } (36... Rh3+ 37. Kg2 Rxd3 38. Kf2 Rb2+ 39. Ke1 Bg3+ 40. Kf1 Rd1#) 37. Ke3 Rh3+ 38. Ke4 Rf4+ 39. Kd5 Rxd3# { Black wins by checkmate. } 0-1