lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/CXSPkh21"] [Date "2020.12.08"] [Round "-"] [White "Stefanos"] [Black "Ops_MS"] [Result "0-1"] [UTCDate "2020.12.08"] [UTCTime "17:41:21"] [WhiteElo "1297"] [BlackElo "1716"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+13"] [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 } e5 2. a3 d5 3. e4? { (0.33 → -1.26) Mistake. Best move was d4. } (3. d4 exd4 4. exd4 Nf6 5. Nf3 Bd6 6. c4 O-O 7. c5 Be7 8. Nc3 b6 9. cxb6 axb6) 3... d4? { (-1.26 → 0.19) Mistake. Best move was dxe4. } (3... dxe4 4. Nc3) 4. Bc4 Nc6?! { (-0.31 → 0.27) Inaccuracy. Best move was Nf6. } (4... Nf6 5. d3) 5. Qh5?! { (0.27 → -0.40) Inaccuracy. Best move was d3. } (5. d3 Bd6) 5... g6?! { (-0.40 → 0.15) Inaccuracy. Best move was Qd7. } (5... Qd7 6. d3) 6. Qf3?! { (0.15 → -0.75) Inaccuracy. Best move was Qd1. } (6. Qd1 Qe7) 6... Qf6? { (-0.75 → 0.26) Mistake. Best move was Qe7. } (6... Qe7 7. d3 Bd7 8. h3 f6 9. Nd2 O-O-O 10. Qe2 a6 11. Ngf3 Kb8 12. b4 g5 13. b5) 7. Ba2? { (0.26 → -0.91) Mistake. Best move was Qxf6. } (7. Qxf6 Nxf6) 7... Be6? { (-0.91 → 0.16) Mistake. Best move was Bh6. } (7... Bh6) 8. Qxf6 Nxf6 9. Nf3? { (0.13 → -2.58) Mistake. Best move was Bxe6. } (9. Bxe6 fxe6 10. d3 h6 11. Nd2 a5 12. Ne2 Be7 13. Nf3 g5 14. h3 O-O-O 15. O-O b6) 9... Bxa2 10. Rxa2 Nxe4 11. d3 Nd6 12. O-O O-O-O?! { (-2.63 → -1.88) Inaccuracy. Best move was Bg7. } (12... Bg7) 13. c3 Bg7?! { (-2.16 → -1.53) Inaccuracy. Best move was dxc3. } (13... dxc3 14. Bg5 c2 15. Nc3 Rd7 16. Bf6 Rg8 17. b4 Ne8 18. Ne4 Rxd3 19. Rxc2 Bg7 20. Bxg7) 14. cxd4 exd4 15. Ng5? { (-1.38 → -2.53) Mistake. Best move was Bf4. } (15. Bf4) 15... f6?! { (-2.53 → -1.75) Inaccuracy. Best move was h6. } (15... h6 16. Nf3) 16. Ne4? { (-1.75 → -3.40) Mistake. Best move was Ne6. } (16. Ne6 Rd7) 16... Nxe4 17. dxe4 Ne5?! { (-3.21 → -2.30) Inaccuracy. Best move was Rhe8. } (17... Rhe8 18. f3 d3 19. Rd1 f5 20. Bg5 Bd4+ 21. Kh1 Rd7 22. exf5 gxf5 23. Nc3 Be3 24. Bxe3) 18. Bf4 g5? { (-2.72 → -1.71) Mistake. Best move was Nd3. } (18... Nd3 19. Bg3) 19. Bxe5 fxe5 20. Nd2 h5 21. b3 h4? { (-2.20 → -0.74) Mistake. Best move was g4. } (21... g4 22. a4) 22. Nf3? { (-0.74 → -2.37) Mistake. Best move was h3. } (22. h3) 22... Bf6? { (-2.37 → -1.07) Mistake. Best move was g4. } (22... g4 23. Ne1) 23. Rd1? { (-1.07 → -2.13) Mistake. Best move was h3. } (23. h3 Kd7 24. Ne1 Be7 25. Nd3 Ke6 26. Rb1 a5 27. Kf1 Ra8 28. Ke2 c6 29. Raa1 c5) 23... g4 24. Nd2?! { (-1.88 → -2.60) Inaccuracy. Best move was Ne1. } (24. Ne1 Be7) 24... h3?! { (-2.60 → -2.08) Inaccuracy. Best move was Kd7. } (24... Kd7 25. Nc4) 25. Nc4? { (-2.08 → -3.98) Mistake. Best move was g3. } (25. g3 Kd7 26. Rc2 Be7 27. b4 Rhf8 28. Nc4 Bd6 29. Nb2 Ra8 30. Nd3 c6 31. Kf1 a5) 25... hxg2 26. Nxe5?? { (-3.41 → -14.12) Blunder. Best move was Rd3. } (26. Rd3 b5) 26... Bxe5 27. Re2?! { (-12.86 → Mate in 16) Checkmate is now unavoidable. Best move was Kxg2. } (27. Kxg2 Rxh2+) 27... Rxh2 28. f3?! { (-30.97 → Mate in 5) Checkmate is now unavoidable. Best move was Rc1. } (28. Rc1 Rdh8) 28... gxf3 29. Rf1 Rh1+ 30. Kf2 Rxf1# { Black wins by checkmate. } 0-1