[Event "Euwe Simultan"] [Site "Sao Paulo BRA"] [Date "2008.08.28"] [EventDate "2008.08.22"] [Round "6"] [Result "1/2-1/2"] [White "Oswaldo Zambrana"] [Black "Akira Watanabe"] [ECO "B97"] [WhiteElo "2458"] [BlackElo "2353"] [PlyCount "48"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Qa3 10. Bxf6 gxf6 11. Be2 h5 12. O-O Nd7 13. Kh1 h4 14. h3 Be7 15. Rad1 Qb4 16. f5 Ne5 17. Qe3 Bd7 18. a3 Qxa3 19. Rd4 Rc8 20. Ra1 Qb2 21. Nd1 Qxc2 22. Rc1 Qa2 23. Ra1 Qc2 24. Rc1 Qa2 1/2-1/2