[Event "Sparkassen A-Open"] [Site "Dortmund"] [Date "2023.06.26"] [Round "3"] [White "Guo, Arthur"] [Black "Prohaszka, Peter"] [Result "1-0"] [WhiteElo "2445"] [BlackElo "2585"] [Annotator "GM Arthur Guo"] [Variant "Standard"] [ECO "B12"] [Opening "Caro-Kann Defense: Advance Variation, Short Variation"] [StudyName "Inside Story: May 2024, GM Arthur Guo's Reflections on the GM Title"] [ChapterName "Guo, Arthur - Prohaszka, Peter"] [ChapterURL "https://lichess.org/study/VFSEhPLh/DUVlu1f7"] [Orientation "white"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O a5 7. a4 f6!? { An uncommon move order. } 8. Bd3?! { Not the most testing. After } (8. Be3 Qc7 9. c4 fxe5 10. cxd5 exd5 11. Nxe5 { Black needs to be careful to develop his pieces quickly. }) 8... Bxd3 9. Qxd3 fxe5 10. dxe5 Nc5 11. Qd4 Qd7 12. Be3 Nh6 { Inviting an interesting imbalance. } 13. Bxh6 gxh6 { [#] } 14. Nbd2 Rg8 15. c3 h5 16. h3 { I felt like I was already losing the thread here. Black's king is safe and his pieces are active, while he has a clear plan of targeting the fragile White kingside. } 16... Qf7 17. Qe3 Be7 18. Kh1 Qg6 19. Ne1 { Too passive. } 19... O-O-O?! { The first mistake, allowing counterplay. Instead, } (19... Kd7! { is what I was expecting. The king's station in the center is well-protected, and the a8-rook serves to enforce prophylaxis against any b2-b4 break. }) 20. b4 axb4 21. cxb4 Ne4 22. b5 { [#] } 22... Bg5?? { My opponent slips in time pressure. The natural } (22... Bc5 { kept the edge after } 23. Qe2 Rdf8 24. Nxe4 Qxe4 25. Qxe4 dxe4 { . }) 23. f4 Bh4 24. Nxe4 Qxe4 25. Qd2 { A quiet sidestep by the queen reveals how quickly White is able to consolidate his position. } 25... d4 26. Nf3 { How the tables have turned! Now Black's king is in severe danger. } 26... Bg3 27. bxc6 bxc6 28. Rab1 Bxf4 29. Qb4 Kd7 30. Qd6+ Ke8 31. Qxe6+ Kf8 32. Qf6+ Ke8 33. Rb7 { 1-0 White wins. } 1-0