[Event "Merida Ruy Lopez GM"]
[Round "5"]
[Site "Merida"]
[Date "2008.04.09"]
[White "Zhang Pengxiang"]
[WhiteElo "2640"]
[Black "Koneru, Humpy"]
[BlackElo "2612"]
[Result "1/2-1/2"]
[ECO "C42"]
[Opening "Petrov's Defence, including Marshall Trap"]
 1. e4   e5
 2. Nf3  Nf6
 3. Nc3  Nc6
 4. Bc4  Bc5
 5. d3   d6
 6. Bg5  h6
 7. Bxf6 Qxf6
 8. Nd5  Qd8
 9. c3   Ne7
10. d4   Nxd5
11. dxc5 Nf4
12. g3   Nh3
13. cxd6 cxd6
14. Qa4+ Bd7
15. Bb5  a6
16. Bxd7+ Qxd7
17. Qxd7+ 
1/2-1/2