[Event "osdse simul"] [Site "https://lichess.org/e9xX4jcl"] [Date "2021.03.20"] [White "Heidenheimschweiz"] [Black "osdse"] [Result "1-0"] [UTCDate "2021.03.20"] [UTCTime "13:18:05"] [WhiteElo "1822"] [BlackElo "2077"] [Variant "Standard"] [TimeControl "900+20"] [ECO "B07"] [Opening "King's Pawn Game: Maróczy Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 e5 { B07 King's Pawn Game: Maróczy Defense } 3. d5 Nf6 4. Bd3 c6 5. c4 Be7 6. Nc3 Qc7 7. f3 Nbd7 8. Be3 O-O 9. Qd2 a6 10. Nge2 c5? { (0.59 → 1.96) Mistake. Nc5 was best. } (10... Nc5 11. Bc2 b5 12. dxc6 Qxc6 13. b4 Ncd7 14. cxb5 axb5 15. Bd3 Nb6 16. Bxb5 Qb7 17. O-O) 11. g4 Rb8?! { (1.65 → 2.36) Inaccuracy. b5 was best. } (11... b5 12. Ng3) 12. h4?! { (2.36 → 1.47) Inaccuracy. a4 was best. } (12. a4 h5 13. Rg1 g6 14. h4 Re8 15. gxh5 Nxh5 16. O-O-O Ndf6 17. f4 b5 18. cxb5 c4) 12... Re8?! { (1.47 → 2.69) Inaccuracy. b5 was best. } (12... b5 13. Ng3 bxc4 14. Bxc4 Rb4 15. Be2 Nb6 16. g5 Ne8 17. b3 Rd4 18. Qc1 Qd8 19. Rb1) 13. Ng3 Nf8 14. g5 N6d7 15. Nf5 g6?? { (2.57 → 5.50) Blunder. b5 was best. } (15... b5 16. h5) 16. Nh6+ Kg7 17. h5 Nb6?! { (5.03 → 8.01) Inaccuracy. b5 was best. } (17... b5 18. O-O-O) 18. hxg6 Nxg6 19. Nf5+ Bxf5 20. exf5 Nf4? { (9.54 → Mate in 8) Checkmate is now unavoidable. Rh8 was best. } (20... Rh8) 21. f6+ Bxf6 22. Rxh7+ Kf8 23. gxf6 Ng6 24. Bh6+ Kg8 25. Rg7+ Kh8 26. Qh2 e4 27. Bg5+ Nh4 28. Qxh4# { White wins by checkmate. } 1-0