[Event "kleiner 1900 SWISS 18 Uhr"] [Site "https://lichess.org/g4Lq1nCT"] [Date "2021.03.04"] [White "Sergej1850"] [Black "Josef-Augsburg"] [Result "0-1"] [UTCDate "2021.03.04"] [UTCTime "17:17:02"] [WhiteElo "1855"] [BlackElo "1908"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B07"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 { B07 Pirc Defense } 4. Be3 Bg7 5. Qd2 O-O 6. h3?! { (1.13 → 0.32) Inaccuracy. O-O-O was best. } (6. O-O-O d5 7. e5 Ng4 8. h3 Nxe3 9. Qxe3 f6 10. f4 c5) 6... a6 7. Be2 Nc6 8. Nf3 b5 9. a3 a5?? { (0.10 → 2.68) Blunder. e5 was best. } (9... e5) 10. e5? { (2.68 → 0.98) Mistake. Bxb5 was best. } (10. Bxb5) 10... dxe5 11. dxe5 Qxd2+ 12. Bxd2 Ne8 13. Bf4 b4 14. axb4 Nxb4 15. O-O-O Be6?! { (0.78 → 1.54) Inaccuracy. a4 was best. } (15... a4 16. Be3) 16. Kb1?? { (1.54 → -0.25) Blunder. Nd4 was best. } (16. Nd4 a4) 16... c5? { (-0.25 → 1.06) Mistake. a4 was best. } (16... a4) 17. Ng5?! { (1.06 → 0.00) Inaccuracy. Bg5 was best. } (17. Bg5 f6 18. Be3 fxe5 19. Ng5 Bf5 20. Rd2 Nd6 21. g4 Bc8 22. Bxc5 Bh6 23. h4 Bb7) 17... Bf5 18. Nge4 Nc7 19. g4 Bxe4 20. Nxe4 Ne6 21. Be3 Bxe5 22. Nxc5? { (0.73 → -0.63) Mistake. c3 was best. } (22. c3) 22... Nxc5 23. Bxc5 Rfc8 24. Bxb4 axb4 25. b3?? { (-0.43 → Mate in 1) Checkmate is now unavoidable. Rd3 was best. } (25. Rd3 Bd6 26. Bf3 Ra5 27. Rhd1 Kg7 28. Rd5 Ra7 29. Rb5 Rc4 30. Bb7 Rc5 31. Rxc5 Bxc5) 25... Ra1# { Black wins by checkmate. } 0-1