[Event "IBM"]
[Site "Amsterdam"]
[Date "1975.??.??"]
[Round "13"]
[White "Sosonko, Gennadi"]
[Black "Makarichev, Sergey"]
[Result "1/2-1/2"]

1. d4 e6 2. c4 Nf6 3. g3 Bb4+ 4. Nd2 c5 5. dxc5 O-O 6. Bg2 Nc6 7. Nf3 Bxc5 8. O-O b6 9. a3 Bb7 10. b4 Be7 11. Bb2 Rc8 12. Qb1 h6 13. Rd1 Qc7 14. Ne4 Nxe4 15. Qxe4 Rfd8 16. Qg4 Bf8 17. Bf6 Re8 18. Rac1 d6 19. Bb2 Qe7 20. h4 Rc7 21. Rc2 1/2-1/2