[Event "Vratsa Zonal"]
[Site "Vratsa BUL"]
[Date "1975.10.25"]
[EventDate "?"]
[Round "3"]
[Result "1/2-1/2"]
[White "Evgenij Ermenkov"]
[Black "Juergen Dueball"]
[ECO "A48"]
[WhiteElo "2456"]
[BlackElo "2324"]
[PlyCount "40"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.h3 O-O 6.Be2 Nbd7 7.O-O
b6 8.c4 Bb7 9.Nc3 Re8 10.Qc2 e5 11.dxe5 Nxe5 12.Nxe5 dxe5
13.Bg5 h6 14.Bh4 Qe7 15.Rfd1 Rad8 16.Qa4 a5 17.a3 Rxd1+
18.Rxd1 Rd8 19.Bg3 Rxd1+ 20.Qxd1 Ne4 1/2-1/2