[Event "East German Championship"] [Site "Stralsund GDR"] [Date "1975.02.??"] [EventDate "1975.02.00"] [Round "3"] [Result "1/2-1/2"] [White "Wolfgang Thormann"] [Black "Hans Ulrich Gruenberg"] [ECO "B91"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "32"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 O-O 9. O-O b5 10. Nd5 Nxd5 11. Qxd5 Ra7 12. Be3 Be6 13. Qd2 Rb7 14. Nc3 Nd7 15. Nd5 Bxd5 16. Qxd5 Qb8 1/2-1/2