[Event "NED-ch29"]
[Site "Leeuwarden"]
[Date "1974.03.21"]
[Round "4"]
[White "Sosonko, Gennadi"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]
[ECO "A37"]
[Opening "English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. g3 Nc6 5. Bg2 e5 6. O-O Nge7 7. d3 O-O 8. Bd2 d6 9. a3 a5 10. Rb1 Rb8 11. Ne1 Be6 12. Nc2 d5 13. cxd5 Nxd5 14. Nxd5 Bxd5 15. b4 cxb4 16. axb4 Bxg2 17. Kxg2 Qd5+ 18. f3 axb4 19. Nxb4 Nxb4 20. Bxb4 1/2-1/2