[Event "Mar del Plata International-29"]
[Site "Mar del Plata"]
[Date "1971.03.26"]
[Round "4"]
[White "Quinteros, Miguel Angel"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. b3 Bf5 5. Bb2 e6 6. O-O h6 7. d3 Be7 8. Nfd2 O-O 9. e4
Bh7 10. Qe2 a5 11. a4 Na6 12. e5 Nd7 13. f4 b5 14. Nc3 Nb4 15. Nf3 Nc5 16. axb5 cxb5 17.
d4 Nxc2 18. dxc5 Bxc5+ 19. Kh1 d4 20. Nxb5 d3 21. Qd2 Rb8 22. Nd6 Nxa1 23. Rxa1 Rxb3 24.
Nd4 Rb6 25. Bc3 Bxd6 26. exd6 Qxd6 27. h4 e5 28. fxe5 Qxe5 29. Kh2 Rg6 30. Qf2 Qc5 31. Qd2
Rg4 32. Rxa5 Qc7 33. Qe1 d2 34. Qxd2 Qxg3+ 35. Kg1 Be4 36. Ra2 0-1