lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/smKIeyNY"] [Date "2020.12.17"] [Round "-"] [White "Marius"] [Black "CostelStina89"] [Result "0-1"] [UTCDate "2020.12.17"] [UTCTime "17:52:23"] [WhiteElo "1615"] [BlackElo "1620"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+17"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. g3 Nf6 3. h4? { (0.35 → -0.69) Mistake. Best move was Nf3. } (3. Nf3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. d4 cxd4 9. Nxd4 Nxd4) 3... Nc6?! { (-0.69 → 0.05) Inaccuracy. Best move was d5. } (3... d5 4. d4) 4. Nh3? { (0.05 → -1.51) Mistake. Best move was d4. } (4. d4 d5 5. Nf3 Bd6 6. Bg2 O-O 7. Nc3 b6 8. O-O Ne7 9. Re1 Ne4 10. Nb5 Ba6) 4... b6? { (-1.51 → -0.29) Mistake. Best move was d5. } (4... d5 5. Bg2) 5. Bg2 d6?? { (-0.44 → 5.67) Blunder. Best move was d5. } (5... d5 6. c4 Bd6 7. Nc3 Ne7 8. d4 O-O 9. e4 Nxe4 10. Nxe4 dxe4 11. Bxe4 Rb8 12. O-O) 6. Bxc6+ Bd7 7. Bxa8 Qxa8 8. Rg1? { (5.60 → 3.05) Mistake. Best move was f3. } (8. f3) 8... e5 9. g4 Qc8? { (3.20 → 5.74) Mistake. Best move was h5. } (9... h5 10. Ng5) 10. Kf1?? { (5.74 → 1.32) Blunder. Best move was f3. } (10. f3 h5) 10... Nxg4? { (1.32 → 3.69) Mistake. Best move was Bxg4. } (10... Bxg4 11. Rxg4) 11. Rxg4?? { (3.69 → -4.82) Blunder. Best move was f3. } (11. f3) 11... Bxg4 12. Ng5?? { (-4.21 → -14.33) Blunder. Best move was Qe1. } (12. Qe1 Bxh3+) 12... Bxd1 13. f3 Bxf3 14. Nxf3 Qf5 15. Ke2 e4 16. Nd4 Qg4+ 17. Kf2?! { (-13.53 → Mate in 9) Checkmate is now unavoidable. Best move was Kf1. } (17. Kf1 Qd1+) 17... c5?! { (Mate in 9 → -17.26) Lost forced checkmate sequence. Best move was Be7. } (17... Be7 18. Nc3 Bxh4+ 19. Kf1 Qh3+ 20. Kg1 Qg3+ 21. Kh1 Qe1+ 22. Kh2 Qf2+ 23. Kh1 Bg3 24. Nf3) 18. Nc6 Qf3+ 19. Kg1?! { (-18.90 → Mate in 8) Checkmate is now unavoidable. Best move was Ke1. } (19. Ke1 Qh1+ 20. Ke2 Qxc1 21. Nxa7 Qxb2 22. Nc3 Qxa1 23. Nab5 Kd7 24. Nxe4 Qxa2 25. Nbc3 Qxc2) 19... Qg3+?! { (Mate in 8 → -18.83) Lost forced checkmate sequence. Best move was h5. } (19... h5 20. Nc3 Rh6 21. Nxe4 Rg6+ 22. Ng5 Qg4+ 23. Kh2 Rf6 24. Nh3 Rf3 25. Ng1 Rf2+ 26. Kh1) 20. Kf1 Be7 21. Nxe7 Kxe7 22. d3 Qf3+ 23. Ke1 g5 24. dxe4 gxh4 25. Nc3 h3 26. Nd5+ Ke6 27. Nf4+ Ke5 28. Nd3+ Kxe4 29. Nf2+ Ke5 30. Nd3+ Ke6 31. Nf4+?! { (-31.16 → Mate in 12) Checkmate is now unavoidable. Best move was Kd2. } (31. Kd2 h2) 31... Kd7 32. Nxh3 Qh1+?! { (Mate in 11 → -21.60) Lost forced checkmate sequence. Best move was Qxh3. } (32... Qxh3 33. Kd2 Qf1 34. Kc3 Rg8 35. Bd2 Qxa1 36. Kb3 Qd1 37. Bc3 Rg2 38. Ka4 Qxc2+ 39. Kb5) 33. Ke2?! { (-21.60 → Mate in 13) Checkmate is now unavoidable. Best move was Kd2. } (33. Kd2 Qxh3) 33... Qxh3 34. Bd2 Qg2+ 35. Kd3 c4+ 36. Kxc4?! { (-67.38 → Mate in 9) Checkmate is now unavoidable. Best move was Kc3. } (36. Kc3 Rc8) 36... Qxd2 37. Kb3 a5 38. c3 a4+ 39. Kxa4 Qc2+?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qxb2. } (39... Qxb2 40. e4 Ra8#) 40. Ka3 b5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Ra8+. } (40... Ra8+ 41. Kb4 Qa4#) 41. b3 Qxc3 42. Rf1 Ra8# { Black wins by checkmate. } 0-1