[Event "Mar del Plata International-20"]
[Site "Mar del Plata"]
[Date "1957.03.30"]
[Round "12"]
[White "Kotov, Alexander"]
[Black "Rubio Aguado, Fernando"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. Bd2 Nc6 8. d5 Na5 9. b3 a6 10. a4 Bd7 11. Ra3 b5 12. axb5 axb5 13. cxb5 Qb6 14. O-O Bxb5 15. Qc2 Ra6 16. Rfa1 Rfa8 17. Nxb5 Qxb5 18. e4 R6a7 19. Ra4 Nxd5 20. Rxa5 1-0