[Event "American open"] [Date "1992.??.??"] [White "Silman"] [Black "Gross"] [Result "*"] [Annotator "Vleeming,Vincent"] [Variant "Standard"] [ECO "E02"] [Opening "Catalan Opening: Open Defense"] [StudyName "SVHEC seniorentraining 07 november 2022"] [ChapterName "Silman - Gross"] [ChapterURL "https://lichess.org/study/QbgWDInf/TCvMuqRh"] [Orientation "white"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 Bd5 8. Qd3 Be4 9. Qd1 c5 10. Nc3 Bc6 11. O-O Nbd7 12. Qc2 cxd4 13. Nxd4 Bxg2 14. Kxg2 Bc5 15. Rd1 O-O 16. e4 Qe7 17. Qe2 Bxd4 18. Rxd4 e5 19. Rd1 Nb6 { [#] Uitspeelstelling } 20. Be3 Rfd8 (20... Qb4 21. Bg5! $16) 21. Qb5! (21. b3 Qb4 22. Bd2 $13) 21... Qe6 22. b3 h6 (22... Rac8 23. Rxd8+ Rxd8 24. Qa5 Ng4 (24... Ra8? 25. Rd1 $16) 25. Bc5 h6 26. h3 Nf6 27. Qxa7 $18) 23. a4 Rxd1 24. Rxd1 Rc8 25. Rd3 { [#] } 25... Qc6? (25... Rc7!? 26. a5 Nc8 $18 27. Rd8+ Kh7 28. Nd5 Nxd5 29. exd5 Qf6 30. Qe8 Nd6 31. Qh8+ Kg6 32. h4 { [#] } 32... Nf5 (32... a6? 33. Bxh6 gxh6 34. h5+ Kg5 35. Rg8+ Kf5 36. Qh7+) 33. Bg5 Qa6 (33... hxg5?? 34. h5#) 34. g4 Nd6 35. Bxh6! gxh6 36. Rg8#) (25... Nbd7 26. Qxb7 $16) 26. Qxe5 Re8 27. Qd6 Nxe4 { Now black lose by force. } 28. Qxc6 bxc6 29. a5! Nxc3 (29... Nd5 30. Nxd5 cxd5 31. Bxa7 $18) 30. axb6 Nd5 31. bxa7 $18 Ra8 32. Rxd5! cxd5 33. b4 { [%cal Gb4b7] } *