[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.17"]
[Round "10"]
[White "Ivanov, Igor Vasilievich"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[WhiteElo "2530"]
[BlackElo "2520"]

1. Nf3 Nf6 2. d4 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. a3 a6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O Rc8 11. a4 b4 12. Ne4 Nxe4 13. Bxe4 Be7 14. dxc5 O-O 15. Nd4 Qc7 16. Qc2 Qe5 17. Nb3 f5 18. Bf3 Nd8 19. Bxb7 Nxb7 20. f4 Qc7 21. Bd2 Nxc5 22. Rfc1 Qd7 23. Rd1 Qd3 24. Qxd3 Nxd3 25. Nd4 Kf7 26. Rab1 a5 27. Nb3 Bd8 28. Bc1 Nc5 29. Nxc5 Rxc5 30. Rd7+ Be7 31. Bd2 Rd8 32. Rxd8 Bxd8 33. Kf2 Rc2 34. Ke2 Bf6 35. Kd3 Rc7 36. h3 h5 37. Ke2 e5 38. fxe5 Bxe5 39. Rc1 Rxc1 40. Bxc1 Ke6 41. b3 Kd5 42. Bd2 Ke4 43. Be1 g5 44. h4 g4 45. g3 Bd6 46. Bf2 Bc5 47. Bg1 f4 48. gxf4 g3 49. f5 Be7 50. Kf1 Kf3 51. e4 g2+ 52. Ke1 Bxh4+ 53. Kd2 Kxe4 54. Ke2 Bf6 0-1