[Event "American Cup Elim w"] [Site "Saint Louis USA"] [Date "2022.04.26"] [Round "4.1"] [White "Lee, Alice"] [Black "Abrahamyan, Tatev"] [Result "1-0"] [WhiteElo "2334"] [BlackElo "2311"] [Annotator "Tactical Analysis 5.2 (2s)"] [Variant "Standard"] [ECO "D37"] [Opening "Queen's Gambit Declined: Three Knights, Vienna Variation"] [Source "https://lichess.org/study/OF7n8ZSH/RURR9HDH"] [Orientation "white"] { [%evp 9,81,39,49,48,46,47,41,43,45,44,45,38,51,33,43,36,49,0,47,0,91,16,19,8, 32,34,30,36,52,37,43,37,26,0,0,0,222,145,118,133,140,82,86,65,73,-212,15,0,0,0, 0,0,51,0,14,23,8,11,18,15,282,262,256,101,594,575,855,855,29983,29984,29983, 29984,29990,29991] } 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 { D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3. } 6... Nd5 7. Nxb5 Nb6 8. Be2 { White is slightly better. } 8... Be7 9. O-O Nc6 10. Be3 O-O 11. Qc1 Rb8 12. Nc3 Nb4 13. Nd2 Ba6 14. a3 Nc6 (14... Nd3 { remains equal. } 15. Qc2 c5 16. dxc5 Bxc5) 15. Nf3 (15. Rd1! $16) 15... Na5 { And now ...Nb3 would win. } 16. Qc2 Bb7 17. Rad1 h6 18. Nd2 { [%mdl 32] [%cal Bf3d2,Bd2e4,Be4c3] } 18... Qd7 19. Rfe1 $146 (19. f4 Nd5 20. Nxd5 Bxd5 21. Qc3 Rb5 22. Nxc4 Nxc4 23. Bxc4 Bxc4 24. Qxc4 Rxb2 25. d5 exd5 26. Rxd5 Qf5 27. a4 Rfb8 28. Rb5 { 1/2-1/2 (61) Mamedyarov,S (2801)-Caruana,F (2822) Saint Louis 2018 }) 19... Rfd8 20. Nde4 Nd5 21. Nxd5 Bxd5 22. Nc3 { Inhibits Qb5. } 22... Bc6 (22... c6) 23. Bg4 { Threatens to win with d5! } { [%cal Bd4d5] } 23... Qe8 24. f4 { Strongly threatening f5. } 24... g6 { Prevents f5. } 25. Be2 (25. Kh1) 25... Ba8 26. f5 exf5 27. Bxh6? { [%mdl 8192] [#] } (27. Bf1 $16 { stays on course. }) 27... Nb3? (27... Rxd4! $19 { [%mdl 512] } 28. Be3 { [#] } (28. Rxd4 Bc5 $17) (28. e6 Bc5) 28... c5! 29. Rxd4 (29. Bxd4? cxd4 30. Bf3 Bxf3 $19) 29... cxd4 30. Bxd4 Nc6) 28. Bxc4 Nxd4 29. Qf2 Ne6 30. Be3! { Prevents Bc5. } 30... c5 (30... Rxd1 31. Rxd1 a5) 31. Rxd8 (31. h4 $14) 31... Rxd8 32. Bxe6 fxe6 33. Bxc5 Bxc5 34. Qxc5 Qd7? { [%mdl 8192] } (34... Rd7 { and Black stays safe. }) 35. Rd1 $18 Qe8 36. Rd6 (36. Qxa7 Rxd1+ 37. Nxd1 Qc6 $14) (36. Rxd8 $18 { is the precise move to win. } 36... Qxd8 37. Qxa7) 36... Rb8 { [%mdl 8192] } (36... Rxd6 $16 { is more resistant. } 37. Qxd6 (37. exd6 Qc6) 37... Qc8) 37. Qc7 { Black must now prevent Rxe6! } { [%cal Bd6e6] } 37... Qf8 38. Rxe6 Rxb2 39. Rxg6+ { White mates. } 39... Kh8 40. e6 { [%mdl 32] [%cal Be5e6,Be6e7] } 40... Rb7 { [#] } 41. e7! { [%mdl 512] Weighted Error Value: White=0.35/Black=0.83 } 1-0