[Event "U.S. SuperNationals Chess Championships 2025"] [Site "Orlando"] [Date "2025.05.11"] [Round "06"] [White "Vuyyuru, Shriyan"] [Black "Oscar Izzy Williams"] [Result "0-1"] [WhiteElo "2047"] [BlackElo "2248"] [TimeControl "5400+10"] [Variant "Standard"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [ECO "B51"] [Opening "Sicilian Defense: Moscow Variation"] [StudyName "SuperNationals VIII: Sunday"] [ChapterName "Vuyyuru, Shriyan - Oscar Izzy Williams"] [ChapterURL "https://lichess.org/study/BKLPJHVT/xPyhNZlQ"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 1:27:42] } 2. Nf3 { [%clk 1:29:55] } 2... d6 { [%clk 1:27:42] } 3. Bb5+ { [%clk 1:29:55] } 3... Nd7 { [%clk 1:27:42] } 4. O-O { [%clk 1:29:55] } 4... a6 { [%clk 1:27:42] } 5. Bd3 { [%clk 1:29:31] } 5... Ngf6 { [%clk 1:27:39] } 6. c3 { [%clk 1:29:31] } 6... b5 { [%clk 1:27:37] } 7. Bc2 { [%clk 1:28:42] } 7... c4 { [%clk 1:27:25] } 8. a4 { [%clk 1:28:04] } 8... Bb7 { [%clk 1:27:07] } 9. Re1 { [%clk 1:27:23] } 9... Nc5 { [%clk 1:26:34] } 10. axb5 { [%clk 1:22:15] } 10... axb5 { [%clk 1:25:41] } 11. Rxa8 { [%clk 1:22:01] } 11... Qxa8 { [%clk 1:25:41] } 12. Na3 { [%clk 1:21:26] } 12... Bxe4 { [%clk 1:24:03] } 13. Nxb5 { [%clk 1:19:22] } 13... Qb7 { [%clk 1:23:24] } 14. Ba4 { [%clk 1:18:14] } 14... Kd8 { [%clk 1:15:00] } 15. Ng5 { [%clk 0:57:54] } 15... Bd5 { [%clk 1:04:24] } 16. d4 { [%clk 0:52:55] } 16... Nd3 { [%clk 1:00:08] } 17. Re3 { [%clk 0:40:20] } 17... h6 { [%clk 0:56:39] } 18. Nf3 { [%clk 0:37:51] } 18... Nxc1 { [%clk 0:50:39] } 19. Qxc1 { [%clk 0:37:12] } 19... Bc6 { [%clk 0:50:10] } 20. Qa1 { [%clk 0:36:31] } 20... Bxb5 { [%clk 0:35:29] } 21. Bxb5 { [%clk 0:36:21] } 21... Qxb5 { This is one of those great calculation and evaluation exercises, so I had to share it. Despite being down material, White has compensation from the fact that Black is still uncastled and hasn't completed development. But we have to act fast! } { [%clk 0:35:29] } 22. Qa8+? { The queen alone cannot help with the counterplay } { [%clk 0:36:21] } (22. Ne5! { One of the viewers was able to spot this move and share it in the chat, and it was certainly a brilliant idea. Obviously the f7-pawn is attacked, and protecting it doesn't work, so let's see what happens when we capture one more piece: } { [%csl Gf7] } 22... Ke8?? (22... dxe5 23. Rxe5 { Brining in another heavy piece — in order to coordinate with the queen — can create sufficient counterplay to maintain balance for White. } 23... Qb7 24. Qa5+ Qc7 25. Qa8+ Qc8 26. Qa5+ Ke8 27. Qa4+ Kd8 (27... Nd7? 28. Ra5 { [%cal Ga5a8] }) 28. Qa5+ $10) 23. Qa8+ Qb8 24. Qxb8#) 22... Kc7 { [%clk 0:34:30] } 23. Qa7+? { [%clk 0:36:05] } (23. Ne5 { is not as powerful, but could still be attempted. } 23... Qxb2 24. Re1 Qb7 25. Qa5+ Qb6 26. Qa2 dxe5 27. Rb1 Qxb1+ 28. Qxb1 exd4 $13) 23... Qb7 { [%clk 0:33:09] } 24. Qa5+ { [%clk 0:36:05] } 24... Kd7 { [%clk 0:30:38] } 25. Qa4+ { [%clk 0:35:47] } 25... Qc6 { [%clk 0:28:59] } 26. Ne5+ { Now it was a little too late... } { [%clk 0:34:47] } 26... dxe5 { [%clk 0:28:42] } 27. Qa7+ { [%clk 0:34:47] } 27... Kc8 { [%clk 0:26:25] } 28. Rxe5 { [%clk 0:34:22] } 28... Nd5 { [%clk 0:25:32] } 29. Re1 { [%clk 0:33:36] } 29... e6 { [%clk 0:24:41] } 30. Qxf7 { [%clk 0:32:43] } 30... Nc7 { [%clk 0:23:10] } 31. d5 { [%clk 0:31:51] } 31... Qxd5 { [%clk 0:22:26] } 32. Ra1 { [%clk 0:31:28] } 32... Bc5 { [%clk 0:22:08] } 33. Qxg7 { [%clk 0:31:27] } 33... Rf8 { [%clk 0:21:43] } 34. Rf1 { [%clk 0:31:24] } 34... Rxf2 { [%clk 0:21:32] } 35. Rxf2 { [%clk 0:31:24] } 35... Qd1# { 0-1 Black wins. } { [%clk 0:21:24] } 0-1