[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.27"]
[Round "1"]
[White "Yudkevich, Mikhail"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2099"]
[BlackElo "2495"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 O-O 7. Bd3 Nbd7 8. Ne2 Ne5 9. O-O exd5 10. cxd5 c4 11. Bc2 Bc5+ 12. Kh1 a6 13. Nd4 Bd7 14. f4 Ng6 15. Be3 Rc8 16. Qd2 b5 17. Rae1 b4 18. Nd1 Re8 19. Nc6 Bxc6 20. dxc6 Qb6 21. e5 dxe5 22. Bxg6 hxg6 23. Bxc5 Qxc5 24. fxe5 Rxe5 25. Rxe5 Qxe5 26. Qxb4 Ng4 27. g3 Qe2 0-1