[Event "Olympiad-06"]
[Site "Warsaw"]
[Date "1935.08.19"]
[Round "5"]
[White "Gruenfeld, Ernst"]
[Black "Grau, Roberto"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Qc8 8. Nc3 d6 9. e4 Nbd7 10. b3 e5 11. Bb2 Re8 12. Rac1 c6 13. Rfd1 Bf8 14. Qb1 Qc7 15. d5 c5 16. Qd3 g6 17. Rf1 Nh5 18. Kh1 Bh6 19. Rce1 Nf8 20. Ng1 Bc8 21. Nge2 Bd7 22. f4 exf4 23. Nxf4 Ng7 24. e5 Nf5 25. e6 Bxf4 26. gxf4 fxe6 27. dxe6 Bc6 28. Nd5 Bxd5 29. Bxd5 Qe7 30. Qc3 Nd4 31. f5 gxf5 32. Rxf5 Nfxe6 33. Rxe6 Qxe6 34. Qg3+ Kh8 35. Bxd4+ cxd4 36. Bxe6 Rxe6 37. Qf2 1-0