[Event "1. Sommer-Grand-Prix 2021"] [Site "https://lichess.org/S0jkSDrT"] [Date "2021.06.01"] [White "Helgute"] [Black "nadjarostowa"] [Result "0-1"] [UTCDate "2021.06.01"] [UTCTime "19:37:05"] [WhiteElo "1550"] [BlackElo "2019"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "600+2"] [ECO "A00"] [Opening "Polish Opening: Schiffler-Sokolsky Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 { A00 Polish Opening: Schiffler-Sokolsky Variation } c5 5. c4 dxc4 6. Bxc4 b6? { (0.20 → 1.49) Mistake. a6 was best. } (6... a6 7. a4 axb5 8. axb5 Rxa1 9. Bxa1 Nbd7 10. Nf3 Be7 11. Qc2) 7. a4? { (1.49 → 0.33) Mistake. Qf3 was best. } (7. Qf3 Nd5) 7... Bb7 8. Nf3 Be7 9. O-O Nbd7 10. d4 cxd4 11. Bxd4 Nc5 12. Nbd2 O-O 13. Nb3 Rc8 14. Nxc5 Bxc5 15. Bb2 Bxe3 16. Qb3? { (-0.55 → -1.97) Mistake. Qxd8 was best. } (16. Qxd8 Rfxd8 17. Bxe6 Bxf2+ 18. Rxf2 fxe6 19. Ng5 Bd5 20. Re1 Rc4 21. Nxe6 Bxe6 22. Rxe6 Rd1+) 16... Bxf3?! { (-1.97 → -1.12) Inaccuracy. Bc5 was best. } (16... Bc5 17. Rad1) 17. Qxe3?! { (-1.12 → -1.97) Inaccuracy. fxe3 was best. } (17. fxe3) 17... Rxc4?! { (-1.97 → -1.15) Inaccuracy. Bxg2 was best. } (17... Bxg2) 18. Qxf3 Qe7?? { (-1.08 → 2.45) Blunder. Nd5 was best. } (18... Nd5 19. Qg3) 19. Ba3 Qc7 20. Bxf8 Kxf8 21. Qa8+?! { (2.68 → 2.02) Inaccuracy. Qa3+ was best. } (21. Qa3+ Kg8 22. Rfc1 h6 23. Rxc4 Qxc4 24. Rc1 Qd4 25. Qa1 Qf4 26. Rc8+ Kh7 27. Qb1+ g6) 21... Ke7 22. Qf3 Rh4? { (1.51 → 2.83) Mistake. Ne4 was best. } (22... Ne4) 23. g3 Rh6? { (3.02 → 6.02) Mistake. Rc4 was best. } (23... Rc4 24. Qa3+ Ke8 25. a5 Nd5 26. Qd3 g6 27. axb6 axb6 28. Ra8+ Ke7 29. Qa3+ Kf6 30. Qf8) 24. Qa3+?! { (6.02 → 4.56) Inaccuracy. Rfc1 was best. } (24. Rfc1) 24... Ke8 25. Rad1?! { (5.78 → 4.47) Inaccuracy. Rfc1 was best. } (25. Rfc1 Qd8) 25... Ng4?! { (4.47 → 6.89) Inaccuracy. Rh5 was best. } (25... Rh5 26. Rc1) 26. h4?! { (6.89 → 4.88) Inaccuracy. Rc1 was best. } (26. Rc1) 26... Ne5 27. Qe3?! { (5.51 → 4.11) Inaccuracy. Rc1 was best. } (27. Rc1 Qb7) 27... Ng4?! { (4.11 → 6.13) Inaccuracy. Rh5 was best. } (27... Rh5) 28. Qf3 f5?! { (6.09 → 9.56) Inaccuracy. Nf6 was best. } (28... Nf6 29. Rc1 Qd7 30. Qc3 Rh5 31. Qc8+ Ke7 32. Rc7 Rd5 33. Rfc1 Ne8 34. Rxd7+ Rxd7 35. Qb8) 29. Qa8+ Ke7 30. Qc6 Qe5? { (8.79 → Mate in 5) Checkmate is now unavoidable. Qb8 was best. } (30... Qb8 31. Rd7+) 31. Qd7+ Kf6 32. Qd8+ Kg6 33. Qe8+ Kf6 34. Qf8+ Kg6 35. Rd7? { (Mate in 5 → 7.44) Lost forced checkmate sequence. Qe8+ was best. } (35. Qe8+ Kf6 36. Qd8+ Kg6 37. Qg5+ Kf7 38. Rd7+ Kf8 39. Qd8#) 35... Rxh4 36. Qf7+ Kh6 37. gxh4?? { (7.51 → Mate in 1) Checkmate is now unavoidable. Re7 was best. } (37. Re7) 37... Qh2# { Black wins by checkmate. } 0-1