[Event "Olympiad-01"]
[Site "London"]
[Date "1927.07.20"]
[Round "4"]
[White "Grau, Roberto"]
[Black "Tarrasch, Siegbert"]
[Result "1/2-1/2"]
1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 c6 8. Qc2 Re8 9. a3 Nf8 10. Bd3 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. O-O Nxc3 14. Qxc3 Bd7 15. Rfd1 Rec8 16. b4 Qd8 17. Ne5 Be8 18. Nd3 a5 19. Nc5 b6 20. Nd3 Qe7 21. Qb2 axb4 22. axb4 Nd7 23. Ra1 Qd8 24. Rxa8 Rxa8 25. Ra1 Qb8 26. Ra2 h6 27. Qa1 Rxa2 28. Qxa2 Nf6 29. h3 Nd5 1/2-1/2