[Event "USA-ch"]
[Site "Oberlin"]
[Date "1975.??.??"]
[Round "12"]
[White "Mednis, Edmar John"]
[Black "Commons, Kim S"]
[Result "1-0"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Nbd7 11. Nc3 Nb6 12. Qb3 Nbd5 13. Bg5 h6 14. Bxf6 Nxf6 15. Rfd1 Qd6 16. Qc2 a5 17. e4 Qb4 18. Ne5 Rfd8 19. Ne2 Be8 20. Rdc1 Rac8 21. Ra3 Rxd4 22. Nxd4 Qxd4 23. Qc3 Rd8 24. Qxd4 Rxd4 25. Raa1 b6 26. Rc4 Rd2 27. Bf1 Rxb2 28. Nd3 Rb3 29. Rxc7 Kf8 30. f3 g5 31. Rc8 g4 32. e5 Nd5 33. f4 f5 34. Rac1 Kf7 35. Rb8 Bxa4 36. Rcc8 Bb5 37. Nc1 Rb1 38. Bxb5 Rxb5 39. Kf2 Rb2+ 40. Ne2 b5 41. Ra8 b4 42. Rh8 Nc3 43. Rh7+ Kg6 44. Rxe7 Rxe2+ 45. Kf1 b3 46. Rxe6+ Kh5 47. Rh8 1-0