lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/YoWbmff0"] [Date "2020.10.31"] [Round "-"] [White "stefan-vartolomei12"] [Black "SergeyVoronChess"] [Result "0-1"] [UTCDate "2020.10.31"] [UTCTime "17:55:22"] [WhiteElo "1415"] [BlackElo "2147"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [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 } c5 2. h4? { (0.45 → -0.83) Mistake. Best move was d4. } (2. d4 d5) 2... Nc6?! { (-0.83 → -0.13) Inaccuracy. Best move was d5. } (2... d5 3. d4 Nf6 4. dxc5 Nc6 5. a3 a5 6. Nf3 e6 7. c4 Bxc5 8. Be2 d4 9. exd4) 3. g3? { (-0.13 → -1.46) Mistake. Best move was d4. } (3. d4 e6 4. c4 d5 5. Nc3 cxd4 6. exd4 Nf6 7. Nf3 Bd6 8. c5 Bc7 9. Qb3 O-O) 3... d5?! { (-1.46 → -0.58) Inaccuracy. Best move was e5. } (3... e5) 4. Nh3?! { (-0.58 → -1.29) Inaccuracy. Best move was d4. } (4. d4 Nf6) 4... Nf6 5. Ng5? { (-1.07 → -2.42) Mistake. Best move was Bg2. } (5. Bg2 e5) 5... h6?! { (-2.42 → -1.59) Inaccuracy. Best move was e5. } (5... e5 6. d3) 6. Nh3?! { (-1.59 → -2.41) Inaccuracy. Best move was Nf3. } (6. Nf3) 6... e5 7. g4?? { (-1.96 → -5.03) Blunder. Best move was d3. } (7. d3 Be7 8. f4 exf4 9. Nxf4 O-O 10. Bg2 d4 11. O-O Bg4 12. Qd2 dxe3 13. Qxe3 Nd4) 7... Bxg4?! { (-5.03 → -4.32) Inaccuracy. Best move was Nxg4. } (7... Nxg4) 8. Ng1?? { (-4.32 → -11.33) Blunder. Best move was Be2. } (8. Be2 Bf5) 8... Bxd1 9. Be2 Bxe2 10. Kxe2 d4 11. exd4 Nxd4+ 12. Ke3?! { (-22.89 → Mate in 4) Checkmate is now unavoidable. Best move was Kf1. } (12. Kf1 Nxc2) 12... Ng4+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Nd5+. } (12... Nd5+ 13. Kd3 c4+ 14. Ke4 Qd6 15. b4 f5#) 13. Kd3 Nf3+?! { (Mate in 4 → Mate in 8) Not the best checkmate sequence. Best move was Qd5. } (13... Qd5 14. a4 Nxf2+ 15. Kc3 Nd1+ 16. Kd3 c4#) 14. Ke2 Nxg1+?! { (Mate in 8 → -19.33) Lost forced checkmate sequence. Best move was Qd4. } (14... Qd4 15. Nh3 Qe4+ 16. Kf1 Qe1+ 17. Kg2 Nxh4+ 18. Kg3 Qxh1 19. Kxh4 Qf3 20. Ng5 hxg5+ 21. Kxg5) 15. Rxg1 Nxf2 16. Rf1 Ng4 17. Rg1 Qxh4 18. Rf1 Qh2+ 19. Kf3?! { (-37.25 → Mate in 5) Checkmate is now unavoidable. Best move was Kd1. } (19. Kd1 Qg2 20. Rxf7 Kxf7 21. d3 Qg1+ 22. Kd2 Qe3+ 23. Kc3 Qxc1 24. Nd2 Qxa1 25. Nf3 Qd1) 19... Bd6?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was e4+. } (19... e4+ 20. Kxg4 Bd6 21. Rf3 Qg2+ 22. Rg3 Qxg3+ 23. Kh5 g6#) 20. Kxg4 Qg2+ 21. Kf5 Qxf1+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qg6#. } (21... Qg6#) 22. Ke4 f5+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qf4+. } (22... Qf4+ 23. Kd3 Qf3+ 24. Kc4 Qe4+ 25. d4 Qxd4+ 26. Kb5 Qb4#) 23. Ke3 Qxc1?! { (Mate in 2 → -34.28) Lost forced checkmate sequence. Best move was e4. } (23... e4 24. Na3 Qf3#) 24. a4?! { (-34.28 → Mate in 8) Checkmate is now unavoidable. Best move was Kf2. } (24. Kf2 Qxb2) 24... Qe1+ 25. Kd3 e4+ 26. Kc3 Qg3+?! { (Mate in 14 → -33.41) Lost forced checkmate sequence. Best move was Be5+. } (26... Be5+ 27. Kb3 Qd1 28. Na3 Qxa1 29. Nc4 O-O-O 30. c3 Bf4 31. Na5 Bxd2 32. Nc4 Qd1+ 33. Ka3) 27. Kc4 Qe5 28. Ra3?! { (-31.13 → Mate in 7) Checkmate is now unavoidable. Best move was Kb3. } (28. Kb3 Qd5+) 28... Qd4+?! { (Mate in 7 → -83.27) Lost forced checkmate sequence. Best move was Qxb2. } (28... Qxb2 29. c3 Qxb1 30. a5 Qd3+ 31. Kb3 c4+ 32. Ka4 Qb1 33. a6 b5+ 34. Ka5 Bc7#) 29. Kb5?! { (-83.27 → Mate in 1) Checkmate is now unavoidable. Best move was Kb3. } (29. Kb3 c4+) 29... Qb4# { Black wins by checkmate. } 0-1