[Event "Qatar Masters"] [Site "https://lichess.org/study/S0AKFUb0/mpBMObld"] [Date "2023.10.15"] [Round "5.8"] [White "Yakubboev, Nodirbek"] [Black "Adhiban, Baskaran"] [Result "1-0"] [WhiteElo "2616"] [BlackElo "2551"] [Annotator "Kaidanov"] [Variant "Standard"] [ECO "D37"] [Opening "Queen's Gambit Declined: Three Knights, Vienna Variation"] [Source "https://lichess.org/study/S0AKFUb0/mpBMObld"] [Orientation "white"] 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. Nxb5 Nb6 8. Be2 Be7 9. O-O Nc6 10. Be3 Rb8 11. Nc3 O-O 12. a3 Bb7 13. Qc2 Na5 14. Rad1 h6 15. Nd2 Qd7 16. Nde4 Nd5 17. Bd2 { After } (17. Bf3 { White would be on the better side of equality. }) 17... Rfd8 18. Na4?! { Better is } (18. Rfe1 Nb3 19. Bxh6! gxh6 20. Bxc4 Nxc3 21. bxc3 Bd5! 22. Bd3 { when White has compensation in a complex position. }) 18... Nb3 19. Qxc4 Nxd4 { More precise is } (19... Bc6! { with a slight edge. }) 20. Qxd4 Nf4 21. Nf6+ { If } (21. Qxd7?! Nxe2+ 22. Kh1 Rxd7 23. Nec5 Rd5 { and White can not win the knight on e2. }) 21... Bxf6 22. Qxf4 Bg5 23. Qc4 { The position is equal after } (23. Qg3 Bxd2 { . }) 23... Bxd2 24. Nc5 { [#] } 24... Qc8? { Looking at the move times from the broadcast, Adhiban spent more than 20 minutes on this move. As it often happens, such long thoughts can result in a mistake. The reason? Before making a move you feel tired and confused. Sometimes you can't even remember all the variations you looked at! Better is } (24... Qe7 { with equality. }) 25. h4! { A very good prophylactic move. The black bishop can no longer retreat to g5. Less impressive is } (25. Qc2?! Bg5 { when Black is fully equal. }) 25... Ba5 { Forced; otherwise White will play b2-b4 and the bishop will be trapped. If } (25... Bd5? 26. Qc2 Ba5 27. Ba6 { . }) 26. Rxd8+ Qxd8 27. Nxb7 Rxb7 28. Rd1 Qe7?? { This loses by force, but by now Adhiban did not have much time. The queen has to stay on the back rank: after } (28... Qf8! { Black has very good chances to equalize. }) 29. Qa6 Rxb2 { [#] } 30. Qc8+ { White's position is so winning that there are alternatives. } (30. Bd3 { wins, as does }) (30. Qxa5 Rxe2 31. Qb5! { and, suddenly, the rook is trapped: } 31... Rc2 { similar is } (31... Re4 32. Qb8+ Kh7 33. Qb1) 32. Qb8+ Kh7 33. Qb1 { . }) 30... Kh7 31. Bd3+ g6 32. Bxg6+! Kxg6 { Or } (32... fxg6 33. Rd7 { . }) 33. Qg8+ Kf5 (33... Kh5 { is met by } 34. Rd4! { . }) 34. Qh7+ Kxe5 35. Qg7+ { 1-0 White wins. } (35... Qf6 36. f4+ Kf5 37. g4+ { and he loses the Queen. }) 1-0