lichess dev

[Event "Robatsch Arena"] [Site "http://chess-academy.net/u87erOEC"] [Date "2021.01.25"] [Round "-"] [White "David030911"] [Black "MariusR"] [Result "0-1"] [UTCDate "2021.01.25"] [UTCTime "17:37:01"] [WhiteElo "1488"] [BlackElo "1634"] [WhiteRatingDiff "-36"] [BlackRatingDiff "+32"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Grob Opening: London Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. h3 e5 2. g4? { (0.03 → -1.49) Mistake. Best move was e4. } (2. e4 Nf6 3. Nf3 Nxe4 4. d3 Nf6 5. Nxe5 Qe7 6. Qe2 Nc6) 2... Nc6?! { (-1.49 → -0.90) Inaccuracy. Best move was d5. } { A00 Grob Opening: London Defense } (2... d5) 3. f3?? { (-0.90 → Mate in 1) Checkmate is now unavoidable. Best move was Nc3. } (3. Nc3 h5) 3... d5?? { (Mate in 1 → -2.78) Lost forced checkmate sequence. Best move was Qh4#. } (3... Qh4#) 4. e3 Be6?! { (-3.00 → -2.47) Inaccuracy. Best move was h5. } (4... h5 5. Qe2) 5. c3? { (-2.47 → -3.83) Mistake. Best move was Qe2. } (5. Qe2 h5 6. Rh2 d4 7. d3 Be7 8. Kd1 Qd6 9. Qf2 O-O-O 10. e4 Kb8 11. Bd2 Nb4) 5... Nf6? { (-3.83 → -1.67) Mistake. Best move was Qh4+. } (5... Qh4+ 6. Ke2) 6. Ne2? { (-1.67 → -3.15) Mistake. Best move was d4. } (6. d4) 6... Bc5? { (-3.15 → -0.40) Mistake. Best move was Ne4. } (6... Ne4) 7. Ng3? { (-0.40 → -2.81) Mistake. Best move was d4. } (7. d4 Bb6 8. Bg2 h5 9. g5 Nd7 10. f4 exf4 11. exf4 Ne7 12. Nd2 O-O 13. Nf3 Nf5) 7... Qd6? { (-2.81 → -0.47) Mistake. Best move was h5. } (7... h5) 8. Nf5? { (-0.47 → -3.39) Mistake. Best move was b4. } (8. b4) 8... Bxf5 9. gxf5 O-O-O?! { (-3.39 → -2.89) Inaccuracy. Best move was O-O. } (9... O-O) 10. Qb3? { (-2.89 → -4.47) Mistake. Best move was b4. } (10. b4 Bb6) 10... Na5? { (-4.47 → -2.00) Mistake. Best move was Nh5. } (10... Nh5) 11. Qd1? { (-2.00 → -4.13) Mistake. Best move was Qa4. } (11. Qa4 Bb6) 11... Nc4? { (-4.13 → -1.75) Mistake. Best move was d4. } (11... d4 12. e4 Nc6 13. Rh2 dxc3 14. Nxc3 Nh5 15. d3 g6 16. Bg5 gxf5 17. Bxd8 Qxd8 18. Qd2) 12. d4?? { (-1.75 → -7.90) Blunder. Best move was b3. } (12. b3 Nh5) 12... Nxe3?? { (-7.90 → -1.51) Blunder. Best move was exd4. } (12... exd4 13. cxd4) 13. Qd3?? { (-1.51 → -9.92) Blunder. Best move was Bxe3. } (13. Bxe3 exd4 14. Bxd4 Bxd4 15. Qxd4 Rhe8+ 16. Kd1 c5 17. Qf2 d4 18. Bb5 Re3 19. Nd2 a6) 13... exd4 14. Qa6?! { (-9.32 → -24.27) Inaccuracy. Best move was Bxe3. } (14. Bxe3 dxe3 15. Rg1 e2 16. Kxe2 Qf4 17. Kd1 Rhe8 18. Kc2 Bxg1 19. Kb3 Be3 20. Na3 d4) 14... bxa6 15. a4 Qg3+ 16. Kd2?! { (-30.82 → Mate in 7) Checkmate is now unavoidable. Best move was Ke2. } (16. Ke2 Rhe8) 16... Qf2+ 17. Kd3 Nxf1?! { (Mate in 1 → -29.83) Lost forced checkmate sequence. Best move was Qc2#. } (17... Qc2#) 18. Nd2?! { (-29.83 → Mate in 14) Checkmate is now unavoidable. Best move was cxd4. } (18. cxd4 Qxf3+) 18... Nxd2 19. Bxd2 Qxf3+ 20. Kc2 Rhe8 21. Rh2?! { (-27.93 → Mate in 9) Checkmate is now unavoidable. Best move was Rad1. } (21. Rad1 Qxf5+) 21... Re2?! { (Mate in 9 → -82.22) Lost forced checkmate sequence. Best move was d3+. } (21... d3+ 22. Kb1 Qd1+ 23. Bc1 Ne4 24. Ka2 Qxa4+ 25. Kb1 Qb3 26. Ra3 Nxc3+ 27. Ka1 Re1 28. Rc2) 22. Re1?! { (-82.22 → Mate in 7) Checkmate is now unavoidable. Best move was Rah1. } (22. Rah1 d3+) 22... Rxh2 23. Rg1 g6?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was dxc3. } (23... dxc3 24. bxc3 Qe4+ 25. Kc1 Ba3+ 26. Kd1 Qb1+ 27. Bc1 Qxc1#) 24. Rg2 Rxg2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qxg2. } (24... Qxg2 25. Kb3 Qxd2 26. a5 Qxb2+ 27. Ka4 Qa2#) 25. h4 gxf5?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe4+. } (25... Qe4+ 26. Kb3 Rxd2 27. Ka2 Qc2 28. fxg6 Qxb2#) 26. cxd4 Bxd4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe3. } (26... Qe3 27. a5 Qxd2+ 28. Kb3 Qxb2+ 29. Ka4 Qa2#) 27. a5 Qe2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe3. } (27... Qe3 28. h5 Qxd2+ 29. Kb3 Qxa5 30. h6 Rxb2#) 28. h5 Qxd2+ 29. Kb3 Qxb2+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxa5. } (29... Qxa5 30. h6 Rxb2#) 30. Ka4 Qb5+ 31. Ka3 Bc5# { Black wins by checkmate. } 0-1