[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.11.01"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Nunez Lucero, Francisco Alex"]
[Result "1-0"]
[WhiteElo "2495"]
[BlackElo "2186"]

1. d4 e6 2. c4 f5 3. Nf3 d5 4. g3 c6 5. Bg2 Bd6 6. b3 Qe7 7. O-O Nf6 8. Ne5 O-O 9. Nd3 Nbd7 10. Nd2 a5 11. Nf3 a4 12. Bf4 Bxf4 13. gxf4 Ne4 14. Qc2 Kh8 15. b4 Nb6 16. c5 Nc4 17. Nfe5 Nxe5 18. dxe5 Qh4 19. f3 g5 20. e3 gxf4 21. fxe4 fxe3 22. exf5 Rxf5 23. Rxf5 exf5 24. Rf1 Be6 25. Nf4 Re8 26. Qd3 Rg8 27. Kh1 Bf7 28. e6 Bh5 29. Qd4+ Rg7 30. Ng6+ 1-0