[Event "Chigorin Memorial-14"]
[Site "Sochi"]
[Date "1980.09.07"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Arnason, Jon Loftur"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2435"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 a6 8. a4 Bg4 9. Be2 Bxf3 10. Bxf3 Nbd7 11. O-O Bg7 12. Bf4 Qb8 13. Qc2 O-O 14. Be2 Qc7 15. b3 Rfe8 16. a5 Re7 17. Bg3 Rae8 18. Ra4 h6 19. Kh1 Qb8 20. h3 b5 21. axb6 Nxb6 22. Rxa6 Nxe4 23. Nxe4 Rxe4 24. Bb5 Re1 25. Kg1 R8e4 26. Rxe1 Rxe1+ 27. Kh2 Nxd5 28. Bc4 Nb4 29. Qd2 Nxa6 30. Qxe1 Nb4 31. Qe7 Qf8 32. Qxd6 Qxd6 33. Bxd6 Bd4 34. f4 h5 35. g4 hxg4 36. hxg4 Kg7 37. Kg3 f6 38. Be6 Na2 39. Kf3 Nc3 40. Be7 Bg1 41. g5 fxg5 42. fxg5 Bd4 43. Kf4 Ne2+ 44. Kf3 Nc3 45. Bc4 Nb1 46. Kf4 Nd2 47. Be6 Nf1 48. Ke4 Ng3+ 49. Kd3 Bf2 50. Bd6 Nh5 51. Ke4 Bg1 52. Bc4 Bf2 53. Be6 Bg1 54. Kd3 Bf2 55. Ke2 Bd4 56. Kd3 Bf2 1/2-1/2