[Event "Round 7: Andrew Guo - Justin Wang"] [Site "lichess.org"] [Date "2023.06.12"] [White "Andrew Guo"] [Black "Justin Wang"] [Result "1-0"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "D79"] [Opening "Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation"] [StudyName "Vegas June 2023"] [ChapterName "Andrew Guo - Justin Wang"] [ChapterURL "https://lichess.org/study/nvFfMnzT/dudtaFEK"] [Orientation "white"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5 8. Nc3 Nc6 9. Ne5 e6 10. Nxc6 bxc6 11. Bf4 Nd7 12. Qd2 Qb6 13. Rfd1 c5?! (13... e5! 14. dxe5 Nxe5 15. Na4 Qb7 16. Rac1 Bf5 { is pleasant for White, who can blockade the backwards c-pawn, but today's players defend better than Rubinstein's opponents, so is this really enough for a win? } 17. Nc5 Qb6 18. b3 Rfe8 19. h3 h5 $14) 14. dxc5! Nxc5 (14... Qxc5 15. Rac1 Qb6 16. Na4 Qa6 17. b3 { is also pleasant due to White's space advantage and control of the c-file. }) 15. Be3 { Somehow, Black is just losing a piece! } 15... Bb7 (15... d4?? { is a non-starter because of the simple } 16. Bxa8 { . }) 16. Na4 { Black now has nothing better than courting the imbalance. } 16... Nxa4 17. Bxb6 axb6 18. Rab1 Rfc8 19. Rdc1 Rc5 20. Qb4 Bc6 21. b3 Nc3 22. Qxb6 Nxe2+ 23. Kf1 Rxc1+ 24. Rxc1 Nxc1 25. Qxc6 Rxa2 26. Qc8+ Bf8 27. Qxc1 { But after Black's best efforts, White has reached a won endgame. } 27... Bb4 28. Bf3 d4 29. Qc4 Bc3 30. b4 Ra4 31. Qc8+ Kg7 32. b5 Rb4 33. Qc5 Rb3 34. Be4 Ba1 35. b6 d3 36. b7 Rb1+ 37. Kg2 d2 38. Bxb1 { 1-0 White wins. } 1-0