[Event "Olympiad-04"]
[Site "Prague"]
[Date "1931.07.26"]
[Round "19"]
[White "Gruenfeld, Ernst"]
[Black "Flohr, Salo"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6 11. Bd2 Nc6 12. Rfc1 Qd7 13. Be1 e6 14. Ne2 Rfc8 15. Rc2 Ne4 16. Rac1 Ne7 17. Qd3 Rxc2 18. Rxc2 Rc8 19. b3 Rxc2 20. Qxc2 Qc6 1/2-1/2