lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/HvIBS1bd"] [Date "2021.12.21"] [Round "-"] [White "raul"] [Black "SofiaStangu"] [Result "0-1"] [UTCDate "2021.12.21"] [UTCTime "15:19:45"] [WhiteElo "1343"] [BlackElo "1273"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+40"] [Variant "Standard"] [TimeControl "300+1"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c6?! { (0.12 → 0.77) Inaccuracy. Best move was e6. } { B10 Caro-Kann Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Qg4? { (0.77 → -0.69) Mistake. Best move was d4. } (2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bf5) 2... e6? { (-0.69 → 0.49) Mistake. Best move was Nf6. } (2... Nf6 3. Qf4) 3. Qh5? { (0.49 → -1.00) Mistake. Best move was d4. } (3. d4) 3... g6? { (-1.00 → 0.03) Mistake. Best move was d5. } (3... d5 4. Qe2) 4. Qh4?? { (0.03 → -13.70) Blunder. Best move was Qe2. } (4. Qe2 d5) 4... Qxh4 5. g3 Qxe4+ 6. Kd1 Qg4+ 7. Ke1 Qe4+ 8. Kd1 Qg4+ 9. f3 Qg5 10. Nh3 Qe5 11. Nf2 Nh6 12. d3 Qd5 13. c3 Qe5 14. f4 Qd6 15. Ng4 Nxg4 16. h3 Nf2+ 17. Ke2 Nxh1 18. Bg2 Nxg3+ 19. Kf3?! { (-32.60 → Mate in 6) Checkmate is now unavoidable. Best move was Kf2. } (19. Kf2 Qxd3) 19... Qd5+?! { (Mate in 6 → -29.65) Lost forced checkmate sequence. Best move was Qxd3+. } (19... Qxd3+ 20. Be3 Nf5 21. Bf1 Qxf1+ 22. Bf2 Bc5 23. c4 Qxf2+ 24. Ke4 Qe2#) 20. Kxg3 f6 21. d4 Bd6 22. b3 Na6 23. c4 Qf5 24. c5 Nb4 25. Bd2 Nd3 26. Be3?! { (-21.92 → Mate in 4) Checkmate is now unavoidable. Best move was cxd6. } (26. cxd6 Nxf4) 26... Ne5?! { (Mate in 4 → -19.78) Lost forced checkmate sequence. Best move was Bxf4+. } (26... Bxf4+ 27. Kf3 Qh5+ 28. Ke4 Qe2 29. a3 Qxe3#) 27. Bg1 Qd3+ 28. Kh4?! { (-27.86 → Mate in 4) Checkmate is now unavoidable. Best move was Kh2. } (28. Kh2 Ng4+) 28... Nc4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was g5+. } (28... g5+ 29. fxg5 fxg5+ 30. Kxg5 Qf5+ 31. Kh6 Bf8#) 29. cxd6 h6?! { (Mate in 4 → Mate in 8) Not the best checkmate sequence. Best move was Nxd6. } (29... Nxd6 30. Be4 Nxe4 31. Be3 Qxe3 32. Kg4 Qg3#) 30. bxc4 Qxc4?! { (Mate in 5 → -21.76) Lost forced checkmate sequence. Best move was g5+. } (30... g5+ 31. Kh5 gxf4 32. Be4 Qxh3+ 33. Kg6 Qg3+ 34. Kxf6 Qg5#) 31. Nd2 Qxd4?? { (-22.26 → 0.07) Blunder. Best move was g5+. } (31... g5+) 32. Nf3?? { (0.07 → Mate in 1) Checkmate is now unavoidable. Best move was Bxd4. } (32. Bxd4 Rf8) 32... Qxf4# { Black wins by checkmate. } 0-1