[Event "Mar del Plata International-20"]
[Site "Mar del Plata"]
[Date "1957.03.21"]
[Round "6"]
[White "Ader Hausman, Walter"]
[Black "Kotov, Alexander"]
[Result "0-1"]
1. d4 d6 2. e4 g6 3. f4 Bg7 4. Nf3 c5 5. dxc5 Qa5+ 6. Nbd2 Qxc5 7. Nb3 Qc7 8. Bd3 Nf6 9. Qe2 O-O 10. O-O Nc6 11. Kh1 a6 12. c3 b5 13. Bd2 e5 14. fxe5 dxe5 15. Be3 Nh5 16. Qf2 Rb8 17. Rad1 Rd8 18. Rd2 f5 19. Bc2 f4 20. Bc5 Be6 21. Ng5 Bc4 22. Rfd1 Bf6 23. Bd6 Rxd6 24. Rxd6 Bxg5 25. Qc5 Rc8 26. Rd7 Qb8 27. Qa3 b4 28. cxb4 Qxb4 29. Nd2 Qxa3 30. bxa3 Be2 31. Bb3+ Kh8 32. Rc1 f3 33. gxf3 Bxf3+ 34. Kg1 Be3+ 35. Kf1 Bg4 0-1