[Event "Keres Memorial-02"]
[Site "Tallinn"]
[Date "1979.03.10"]
[Round "13"]
[White "Christiansen, Larry Mark"]
[Black "Knaak, Rainer"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2565"]

1. c4 e5 2. Nc3 d6 3. Nf3 g6 4. d4 Nd7 5. e4 Bg7 6. Be2 Ngf6 7. O-O O-O 8. Qc2 c6 9. d5 a5 10. Be3 Ng4 11. Bg5 f6 12. Bd2 Nh6 13. dxc6 bxc6 14. Rad1 Nc5 15. Be3 Qe7 16. Na4 Nxa4 17. Qxa4 c5 18. Nd2 Bb7 19. Qc2 f5 20. f3 Qh4 21. Bf2 Qg5 22. Qd3 Nf7 23. Nb1 Bh6 24. Nc3 Qf6 25. Rb1 Bc6 26. Bd1 Nd8 27. Ba4 Bxa4 28. Nxa4 Ra6 29. Nc3 Ne6 30. Nd5 Qf7 31. a3 Nf4 32. Nxf4 fxe4 33. Qxe4 exf4 34. b4 Re8 35. Qd3 axb4 36. axb4 cxb4 37. c5 Ra3 38. Qxd6 b3 39. c6 Bf8 40. Qd7 Re7 41. Qd3 Rc7 42. Qe4 Ra6 43. Bd4 Re7 44. Qd3 Rxc6 45. Qxb3 Qxb3 46. Rxb3 Rc4 47. Ba1 1/2-1/2