Markland, Peter Richard VS Popov, Luben 1972.12.??

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

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Nc3 Nc6 8. Nxd5 exd5 9. Be2 dxe5 10. Nxe5 Bb4+ 11. Bd2 Qa5 12. Nxc6 bxc6 13. a3 Bxd2+ 14. Qxd2 Qxd2+ 15. Kxd2 Kd7 1/2-1/2