[Event "EUR-chT (Men) 3rd"] [Site "Hamburg FRG"] [Date "1965.06.15"] [EventDate "1965.06.06"] [Round "9"] [Result "1/2-1/2"] [White "Lajos Portisch"] [Black "Tigran Vartanovich Petrosian"] [ECO "D94"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "25"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6 11. Ne5 e6 12. Bd2 Nfd7 13. Nd3 1/2-1/2