[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.26"]
[Round "15"]
[White "Polugaevsky, Lev"]
[Black "Mednis, Edmar John"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2510"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O b4 10. Ne4 Be7 11. Nxf6+ Nxf6 12. e4 O-O 13. e5 Nd7 14. Be4 Qb6 15. Bg5 Rfe8 16. Bxe7 Rxe7 17. Qc2 h6 18. a3 b3 19. Qc3 c5 20. Bxb7 Qxb7 21. dxc5 Rc8 22. Qb4 Nxc5 23. Rac1 Qc6 24. Rc3 Rec7 25. Rfc1 Qd5 26. Qb5 Ne4 27. Rxc7 Qxb5 28. Rxc8+ Kh7 29. R8c4 Ng5 30. Nxg5+ hxg5 31. Re4 Qd3 32. Rce1 Qd2 33. R4e2 Qd4 34. h3 a5 35. g4 Kg6 36. Kg2 Kh7 37. f3 Kg6 38. Rf2 Kh7 39. Re4 Qd5 40. Re3 Kg6 41. Rfe2 Qd1 1/2-1/2