[Event "7. Sommer-Grand-Prix 2021"] [Site "https://lichess.org/dGe4LAZI"] [Date "2021.07.20"] [White "Helgute"] [Black "F_Baer"] [Result "1-0"] [UTCDate "2021.07.20"] [UTCTime "19:38:22"] [WhiteElo "1546"] [BlackElo "1599"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-20"] [Variant "Standard"] [TimeControl "600+2"] [ECO "A00"] [Opening "Polish Opening: Symmetrical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. b4 b5 { A00 Polish Opening: Symmetrical Variation } 2. Bb2 Bb7 3. e3 e6 4. Nf3 Nf6 5. a3 a6 6. c4 Bc6? { (-0.03 → 1.12) Mistake. bxc4 was best. } (6... bxc4 7. Bxc4 c5 8. bxc5 Bxc5 9. O-O O-O 10. Be2 Be7 11. Bxf6) 7. cxb5 Bxb5 8. Bxb5 axb5 9. Nc3 c6 10. O-O Bd6 11. d4?! { (0.92 → 0.17) Inaccuracy. e4 was best. } (11. e4 Be7) 11... O-O? { (0.17 → 1.78) Mistake. Be7 was best. } (11... Be7) 12. e4 Bc7 13. d5 cxd5? { (2.06 → 3.48) Mistake. Ne8 was best. } (13... Ne8) 14. exd5 Ra6 15. Nxb5 Rb6? { (3.77 → 6.34) Mistake. Nxd5 was best. } (15... Nxd5 16. Nxc7 Qxc7 17. b5 Ra8 18. a4 f6 19. Nd2 Qb6 20. Nc4 Qc5 21. Rc1 Qb4 22. Ba3) 16. Nxc7 Qxc7 17. Rc1 Qb7 18. dxe6 dxe6 19. Bxf6 gxf6 20. Qd4 Nd7 21. Qg4+?! { (5.67 → 3.64) Inaccuracy. Rfd1 was best. } (21. Rfd1 Rd8) 21... Kh8 22. Qh5?! { (3.88 → 2.69) Inaccuracy. Qf4 was best. } (22. Qf4 e5 23. Qf5 Rg8 24. Rfd1 Nf8 25. Rd8 Ng6 26. Rd7 Qa8 27. Rxf7 Qxa3 28. Rf1 Qxb4) 22... Rb5 23. Qh6 Qd5?? { (2.67 → 6.92) Blunder. Rg8 was best. } (23... Rg8 24. Rc3 Rf5 25. Nh4 Qd5 26. g3 Rh5 27. Qf4 Kg7 28. Nf3 Rf5 29. Qe3 Qb7 30. Rfc1) 24. Rcd1 Qc6 25. Rxd7 Qxd7? { (9.38 → Mate in 1) Checkmate is now unavoidable. Kg8 was best. } (25... Kg8 26. Rd4 Qc2 27. a4 Rb7 28. b5 Qg6 29. Qe3 f5 30. Rc4 f4 31. Qd2 e5 32. Nh4) 26. Qxf8# { White wins by checkmate. } 1-0