[Event "ch-USA 2020"]
[Site "?"]
[Date "2020.10.28"]
[Round "7.1"]
[White "Xiong, Jeffery"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2709"]
[BlackElo "2736"]
[Annotator "thechesscorner@gmail.com"]
[PlyCount "66"]
[EventDate "2020.10.26"]
{[%evp 0,66,21,17,64,58,50,54,53,53,51,46,57,44,41,26,42,17,59,42,59,45,45,44,
69,56,65,61,61,55,77,76,62,62,58,73,51,55,63,63,56,55,66,68,140,152,253,267,
281,278,292,298,331,304,452,441,463,472,481,479,479,484,484,491,484,492,531,
552,555]} 1. e4 g6 2. d4 d6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be3 c6 6. Qd2 b5 7. Bd3 (
7. O-O-O b4) (7. a3 Nbd7) 7... Nbd7 8. h3 e5 9. dxe5 dxe5 10. a4 $1 b4 11. Ne2
a5 12. c3 c5 13. O-O (13. cxb4 cxb4 14. O-O O-O 15. Rfd1 Bb7 16. Bb5 Qb8 17.
Ng3 Rc8 18. Rac1 Rxc1 19. Rxc1 Nf8 20. Bc4 Ne6 21. Bxe6 fxe6 22. Ng5 {1-0 (35)
Nunn,J (2600)-Gelfand,B (2700) Munich 1991}) 13... O-O 14. Ng3 {White has a
better position with Bc4 or Bb5 possible. Black is behind in development} Bb7 (
14... bxc3 15. bxc3 Qc7 16. Bb5) 15. Rfd1 Qe7 16. Rac1 (16. Bb5 Rfd8 17. Qd6
Qxd6 18. Rxd6 Bf8 19. Rd2 bxc3 20. bxc3 Nb6 21. Rxd8 Rxd8 22. Bg5 Bg7 {1-0 (55)
Ponomariov,R (2710)-Bachmann,A (2593) Berlin 2015}) 16... Rfc8 17. cxb4 cxb4
18. Bc4 $1 $16 Nf8 19. Qd6 $1 Qxd6 20. Rxd6 Rc7 (20... Nxe4 $2 21. Nxe4 Bxe4
22. Ng5 Bf5 23. Bxf7+ Kh8 24. Bd5 Rxc1+ 25. Bxc1 Rc8 26. Nf7+ Kg8 27. Nh6+ Kh8
28. Be3 $18) 21. Rb6 {White's initiative continues with the queens off the
board} Re8 (21... Nxe4 $2 22. Rxb7 Rxc4 23. Rxc4 Nd6 24. Rcc7 Nxb7 25. Rxb7 f5
26. Bb6 e4 27. Nd4) 22. Ng5 Ba8 (22... Ree7 23. Bb3) 23. Ra6 {Black cannot
defend the a5 pawn} Bb7 24. Rxa5 Ba8 25. Bb3 Rd7 26. Ra6 h6 27. Nxf7 $1 Rxf7
28. Bxf7+ Kxf7 29. Rc7+ {Black has 2 pieces for the rook but is about to lose
the bishop on a8} Kg8 (29... N8d7 30. Rca7) 30. Rca7 Bxe4 31. Rxf6 Bxf6 32.
Nxe4 Bd8 33. Ra8 Ne6 {Hikaru resigned. 34 Nf6+ wins more material} 1-0