[Event "Exchange sacrifices: Tarun vs Suresh Topic: Exchange sacrifice"] [Site "https://lichess.org/study/MBPVrXli/9G0Iv91A"] [Result "*"] [Variant "Standard"] [ECO "A13"] [Opening "English Opening: Agincourt Defense"] [Annotator "https://lichess.org/@/nextbahubali"] [StudyName "Exchange sacrifices"] [ChapterName "Tarun vs Suresh Topic: Exchange sacrifice"] [UTCDate "2018.04.06"] [UTCTime "18:56:31"] [Source "https://lichess.org/study/MBPVrXli/9G0Iv91A"] [Orientation "white"] 1. Nf3 e6 2. c4 Nf6 3. g3 Be7 4. Bg2 c5 5. O-O O-O 6. Nc3 Nc6 7. d4 { I quite worried about d7-d5 push. } 7... cxd4 (7... d5 8. cxd5 exd5 9. dxc5 Bxc5 10. Bg5) 8. Nxd4 a6 9. Bf4 h6 (9... e5? 10. Nxc6 dxc6 11. Qxd8 Rxd8 12. Bxe5 { Pawn up }) 10. Rc1 { Black had dark square weakness. My main strategy was to grind the position by a3-b4-c5 } { [%csl Rd6,Rc5,Rb6,Rc7,Rb8,Ra7][%cal Ga2a3,Gb2b4,Gc4c5,Gc3a4] } 10... Re8 11. a3 Bf8 12. Nc2 d6 13. b4 { Expanding Queen-side } 13... e5 14. Be3 Bf5 15. h3 Rc8 16. Nd5 Nxd5 17. Qxd5 Bxc2?! { After he played this move I was relieved. } (17... Qd7 18. h4 Be6 19. Qd3 f5 { White is in trouble. My problem is my knight on c2, it will take 3 moves to reach d5-square via e3. }) 18. Rxc2 { I was happy with my position I have bishop pair, Space and Black has bad bishop on f8. } { [%csl Be3,Rd5,Rb7,Ra6,Rc4,Rb4,Ra3,Bg2][%cal Bg2b7,Be3a7] } 18... Qf6 19. Rd1 Qg6 20. Be4 Qe6 21. Qd3 g6 22. Bd5 Qf6 23. Kg2 Bg7 24. Qe4 Nd4!? { I was in time pressure I did not see I why can not take b7 pawn. } 25. Bxb7 Nxc2 { When he played this move I thought Bxc8 will work } 26. Qxc2 (26. Bxc8? Nxe3+! { Very powerful intermezzo } 27. Qxe3 Rxc8 $19) 26... Rc7 27. Bxa6 d5 28. Bb5 Rd8 29. Bc5 d4 30. a4 Rdc8 31. Qe4 Bf8 32. Bxf8 Kxf8 33. c5 Rb8 34. Rf1 h5 35. f4 exf4 36. Rxf4 Qe7 37. Qxd4 Rd8 38. Qh8# *