[Event "Reggio Emilia-15 1972/73"]
[Site "Reggio Emilia"]
[Date "1972.12.??"]
[Round "?"]
[White "Popov, Luben"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd2 O-O 8. O-O-O c5 9. Kb1 a6 10. dxc5 Nxc5 11. Be1 dxc4 12. e4 Qc7 13. Rxd6 Qxd6 14. e5 Qe7 15. exf6 Qxf6 16. Bxc4 b5 17. Ne4 Qf5 18. Nxc5 Qxc5 19. Bd3 Qxc2+ 20. Bxc2 Bb7 21. Ba5 Rfc8 22. Ng5 h6 23. Bh7+ Kh8 24. Be4 Bxe4+ 25. Nxe4 Rc6 26. Rd1 Ra7 27. a3 Kh7 28. h4 Kg6 29. Ng3 Rc4 30. h5+ Kg5 31. b3 Rc6 32. Bd2+ Kf6 33. Ne4+ Kf5 34. f3 e5 35. g4+ Ke6 36. Be3 Rd7 37. Re1 Rd5 38. Kb2 f5 39. gxf5+ Kxf5 40. b4 Rc4 41. Rg1 Rd3 42. Bc5 Kf4 43. Rxg7 Kxf3 44. Nd6 Rd2+ 45. Kb3 Rcc2 46. Rf7+ Kg4 47. Ne4 Rb2+ 48. Kc3 Rbc2+ 1/2-1/2