[Event "Reggio Emilia-13 1970/71"]
[Site "Reggio Emilia"]
[Date "1970.12.31"]
[Round "6"]
[White "Benko, Pal C"]
[Black "Popov, Luben"]
[Result "0-1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 Be6 7. Nd5 Nge7 8. d3 O-O 9. O-O f5 10. Be3 Qd7 11. Qd2 Rae8 12. Rae1 Rf7 13. b3 Ref8 14. f3 Kh8 15. Bh6 Bxh6 16. Qxh6 Ng8 17. Qd2 fxe4 18. dxe4 Bh3 19. Qc3 Nf6 20. Rd1 Bxg2 21. Kxg2 Kg8 22. c5 Nxd5 23. Rxd5 Qe6 24. cxd6 cxd6 25. Qd2 Rd7 26. Rd1 Rfd8 27. Rd3 Kg7 28. h4 h5 29. b4 a6 30. a3 Ne7 31. Nc3 b5 32. Nd5 Nxd5 33. Rxd5 Qe7 34. Qg5 Qf8 35. R1d2 Re8 36. Rc5 Rf7 37. Rc3 Re6 38. Rdc2 Ref6 39. Rf2 Qa8 40. Qd2 Qb7 41. Qd1 Rc7 42. Rfc2 Rcf7 43. Rc6 Rxf3 44. Qxd6 R3f6 45. Qxe5 Qe7 46. Qd4 Kh7 47. Rc8 Qe6 48. Rd8 Qg4 49. Qxf6 Qxe4+ 50. Kh2 Qxc2+ 0-1