[Event "Amsterdam IBM"]
[Site "Amsterdam NED"]
[Date "1980.07.08"]
[EventDate "1980.06.27"]
[Round "10"]
[Result "1/2-1/2"]
[White "Anatoly Karpov"]
[Black "Gennady Borisovich Sosonko"]
[ECO "B17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "76"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+
Nxf6 7. Ne5 Nd7 8. Nd3 g6 9. c3 Bg7 10. Bf4 Qa5 11. Qd2 O-O
12. Be2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bg5 Be6 16. O-O Bg7
17. Bf3 Rfe8 18. Rfe1 Qb6 19. h3 a5 20. a3 a4 21. Re4 Ra5
22. Rae1 h5 23. Rb4 Qc7 24. Bf4 Qc8 25. Rbe4 Rd8 26. Qe3 Bf6
27. Rb4 Be7 28. Be4 Kh7 29. Rd4 Rxd4 30. Qxd4 Qd8 31. Qe3 Bg5
32. Bc2 Bxf4 33. Qxf4 Qg5 34. Re4 Qxf4 35. Rxf4 Rd5 36. Rd4 b5
37. Be4 Rxd4 38. cxd4 Bd5 1/2-1/2