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[Event "Tal memorial 2012"]
[Site "?"]
[Date "2012.06.17"]
[Round "?"]
[White "Grischuk"]
[Black "Nakamura"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "69"]
[EventDate "2012.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. g4 Nxd4 (9... Be6 {is mainline White best chance here is} 10. Nxe6 fxe6
11. O-O-O $13 {White has the had the better score form this position in recent
time but I think it is still not that clear after} Ne5 12. Be2 Qc8) (9... Nd7 {
if am no mistaken this move has been played by Korchnoi. Hower I think white
has the better chanses}) 10. Bxd4 Be6 11. Nd5 $5 {
Fritz 10 open book gives this a ? mark} (11. h4 {is good for white according
to old books but Nakamure might have some improvment, Houdini seems to prefere}
h5 {here} 12. gxh5 Nxh5 13. Bxg7 Kxg7 14. O-O-O $36) 11... Bxd5 12. exd5 Rc8
13. h4 Qc7 14. Rh2 e5 15. dxe6 fxe6 16. O-O-O e5 (16... Nd5 {
looks like black best bet in this position} 17. Bxg7 Qxg7 {
Houdini thinks thats white best option here is} 18. h5 g5 19. Kb1 Qe7 {
is is no entire clear how white should continoue, but white should have the
slightly better practical chances since he has the safer King!}) 17. Be3 Qf7 18.
Kb1 d5 (18... Nxg4 {is computer main line but} 19. fxg4 Qxf1 20. h5 Qc4 21. b3
Qe4 22. hxg6 hxg6 23. Bh6 $40 {whites positon looks preferable}) 19. h5 e4 20.
hxg6 $16 {playing safe and strong} (20. h6 {is computer mainline} Bh8 21. g5
Nh5 22. Bh3 $1 {difficult to see move} Rcd8 23. fxe4 $18) 20... hxg6 21. Be2 {
black has big problems here, weak king, weak pawns and no counter play} Qe6 {
black wants to play the Queen at e5 and hopes for tactical tricks} 22. Bd4 Rc7
23. Rdh1 Rff7 24. a3 b6 25. fxe4 Qxe4 26. g5 Nh5 27. Bxg7 Kxg7 28. Bxh5 gxh5
29. Rxh5 Qc4 30. Qd1 Qe4 31. g6 Rfe7 32. R5h4 Qe5 33. Rh7+ Kg8 34. R7h5 Qe4 35.
Qd2 {black must sacrifice a rook via Qxc2+ in order to avoid mate} 1-0