[Event "Reggio Emilia-13 1970/71"]
[Site "Reggio Emilia"]
[Date "1970.12.27"]
[Round "2"]
[White "Trincardi, Tullio"]
[Black "Popov, Luben"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 b5 7. cxb5 a6 8. Nf3 O-O 9. Nd2 axb5 10. Bxb5 Bh3 11. Bf1 Qc8 12. Bxh3 Qxh3 13. Qe2 Na6 14. Qf1 Qd7 15. Qe2 Nb4 16. Nc4 Qh3 17. Ne3 Rfb8 18. a3 Nd7 19. Rb1 Na6 20. Qf1 Qxf1+ 21. Rxf1 Nb6 22. b3 Nc7 23. Ke2 Bd8 24. Kd3 Ne8 25. Nc2 Nf6 26. f3 Nfd7 1/2-1/2