[Event "Mar del Plata"]
[Site "Mar del Plata ARG"]
[Date "1957.03.20"]
[EventDate "?"]
[Round "5"]
[Result "1-0"]
[White "Alexander Kotov"]
[Black "Fernando Casas"]
[ECO "A56"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. dxe6 fxe6 5. Bg5 Be7 6. Nc3 O-O 7. e3 b6 8. Nf3  Bb7 9. Bd3 d6 10. Qc2 Nbd7 11. Bxf6 Nxf6 12. Ng5 Qc8 13. Bxh7+ Kh8 14. O-O-O a6  15. Bg6 Ng4 16. Bh5 Bxg5 17. Bxg4 Be7 18. Nd5 Bxd5 19. cxd5 Qc7 20. dxe6 Rf6  21. Rd5 Raf8 22. f4 c4 23. Rh5+ Rh6 24. Qg6 Rf6 25. Qe8+ Bf8 26. Qd7 Qxd7 27.  exd7 Be7 28. Rxh6+ Rxh6 29. e4 Kg8 30. Rd1 Bd8 31. a4 Kf8 32. h3 Rf6 33. g3 1-0