[Event "USA-ch"]
[Site "Pasadena"]
[Date "1978.??.??"]
[Round "3"]
[White "Commons, Kim S"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2510"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be2 Bg4 9. Rb1 O-O 10. O-O cxd4 11. cxd4 Bxf3 12. Bxf3 Bxd4 13. Bh6 Re8 14. Rxb7 Nc6 15. Qa4 Rc8 16. Be2 Qa5 17. Bb5 Qxa4 18. Bxa4 Na5 19. Rd7 Bb6 20. Rd5 Red8 21. Rxd8+ Rxd8 22. Rc1 Nb7 23. Bg5 Kf8 24. Bh6+ Kg8 25. Rd1 Rxd1+ 26. Bxd1 Bd4 27. Kf1 Nc5 28. Bc2 f6 29. Bf4 e5 30. Bd2 g5 31. Ba5 Kf7 32. Bd8 Kg7 33. Ke2 Ne6 34. Ba5 Nc5 35. h3 Nb7 36. Bc7 Nc5 37. Bb8 Nd7 38. Bd6 Nc5 39. g3 Nb7 40. Bb8 Kf8 41. Ba4 1/2-1/2