lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/iSdcT0D3"] [Date "2021.02.28"] [Round "-"] [White "IrinaR"] [Black "Damir_DJ"] [Result "0-1"] [UTCDate "2021.02.28"] [UTCTime "17:37:46"] [WhiteElo "1389"] [BlackElo "1650"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+5"] [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. Qg4?? { (0.13 → -13.45) Blunder. Best move was Nc3. } (3. Nc3 Nc6 4. d3 Na5 5. Bb3 Bb4 6. Nf3 Bxc3+ 7. bxc3 d6) 3... Nxg4 4. h3 Nf6 5. f3 Nh5 6. Ne2 Qh4+ 7. g3 Nxg3 8. Nxg3 Qxg3+ 9. Ke2 Qg2+ 10. Ke3?! { (-29.42 → Mate in 8) Checkmate is now unavoidable. Best move was Ke1. } (10. Ke1 Qxh1+ 11. Bf1 Qxf3 12. c3 Be7 13. Be2 Qh1+ 14. Bf1 Bh4+ 15. Kd1 Qxf1+ 16. Kc2 Qe2) 10... Qxh1?! { (Mate in 8 → -31.56) Lost forced checkmate sequence. Best move was Bc5+. } (10... Bc5+ 11. d4 exd4+ 12. Kd3 Nc6 13. Bxf7+ Kxf7 14. f4 Nb4+ 15. Kc4 Qxc2+ 16. Nc3 b6 17. Kb5) 11. Nc3 Qg1+ 12. Ke2 Qg2+ 13. Ke1 Qxf3 14. Nd5 Qxe4+ 15. Kf2 Qxc4 16. Ne3 Qf4+ 17. Ke2 Qh2+ 18. Kd3 b6 19. Nc4 Qxh3+ 20. Ke2 Ba6 21. d3 Bxc4 22. dxc4 Qg2+ 23. Ke3?! { (-39.35 → Mate in 4) Checkmate is now unavoidable. Best move was Ke1. } (23. Ke1 Qxc2) 23... Qxc2?! { (Mate in 4 → Mate in 11) Not the best checkmate sequence. Best move was Nc6. } (23... Nc6 24. b4 Bxb4 25. Bb2 Bd2+ 26. Kd3 e4#) 24. Bd2 Qxc4?! { (Mate in 9 → -36.05) Lost forced checkmate sequence. Best move was Bc5+. } (24... Bc5+ 25. Ke2 Nc6 26. Re1 Nd4+ 27. Kf1 Qf5+ 28. Bf4 Qh3+ 29. Kf2 Qf3+ 30. Kg1 Nc2+ 31. Re3) 25. Rc1?! { (-36.05 → Mate in 9) Checkmate is now unavoidable. Best move was Re1. } (25. Re1 Qd4+) 25... Qd4+?! { (Mate in 9 → -41.13) Lost forced checkmate sequence. Best move was Bc5+. } (25... Bc5+ 26. Kf3 Qd3+ 27. Kg2 Qxd2+ 28. Kh3 Qxc1 29. b4 Qf1+ 30. Kg3 Be3 31. a4 f5 32. Kh4) 26. Ke2 Qe4+ 27. Kd1?! { (-40.92 → Mate in 12) Checkmate is now unavoidable. Best move was Be3. } (27. Be3 Nc6 28. Kf1 Qxe3 29. Rc3 Qd2 30. a3 Nd4 31. a4 Qe2+ 32. Kg1 Nf3+ 33. Rxf3 Qxf3) 27... Qh1+?! { (Mate in 12 → -39.91) Lost forced checkmate sequence. Best move was Nc6. } (27... Nc6 28. Bc3 Bb4 29. Kd2 Nd4 30. Re1 Qc2+ 31. Ke3 Nf5+ 32. Kf3 Qd3+ 33. Kg2 Qg3+ 34. Kf1) 28. Kc2 Qe4+ 29. Kd1 Nc6 30. b3?! { (-33.42 → Mate in 6) Checkmate is now unavoidable. Best move was Bc3. } (30. Bc3 d5) 30... Nd4 31. Rc4 Qe2+ 32. Kc1 Nf3?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Ba3+. } (32... Ba3+ 33. Kb1 Qxd2 34. Rc2 Qxc2+ 35. Ka1 Qc1#) 33. Kc2 Qxd2+ 34. Kb1 Qd3+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Ba3. } (34... Ba3 35. Rc2 Qd1+ 36. Rc1 Qxc1#) 35. Kb2 Nd2?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qd2+. } (35... Qd2+ 36. Rc2 Qd4+ 37. Kb1 Ba3 38. b4 Qd1+ 39. Rc1 Qxc1#) 36. Rc2 Ne4?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Ba3+. } (36... Ba3+ 37. Kxa3 Qxc2 38. Kb4 Qc5+ 39. Ka4 Qa5#) 37. a4 Qd4+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Ba3+. } (37... Ba3+ 38. Kxa3 Qxc2 39. a5 Nc5 40. axb6 Qxb3#) 38. Kc1 Qa1# { Black wins by checkmate. } 0-1