[Event "Bundesliga 1988/89"] [Site "masterchessopen.com – Germany"] [Round "0"] [White "Dueball Juergen (GER)"] [Black "Braun Michael (GER)"] [Result "1-0"] [WhiteElo "2324"] [BlackElo "2365"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 h6 9.Bh4 g5 10.fxg5 Nh7 11.exd6 hxg5 12.Bf2 Bb7 13.Nxe6 Qxd6 14.Nxf8 Qxd1+ 15.Rxd1 Kxf8 16.Bd4 f6 17.Kf2 Nc6 18.Bc5+ Ke8 19.Be2 Nf8 20.Ne4 {#r} 1-0