[Event "1. Int Swiss Masters 2021"]
[Site "Baden Baden GER"]
[Date "2021.09.09"]
[Round "1.7"]
[White "Koellner, Christof"]
[Black "Koellner, Ruben Gideon"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2156"]
[BlackElo "2441"]
[ECO "C53"]
[Opening "Italian Game: Classical Variation"]
[PlyCount "64"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 7.Bb5 Ne4 8.cxd4 Bb6 9.Be3 O-O 10.Nc3 Bg4 11.h3 Bh5 12.Qc2 Bg6 13.Qb3 Na5 14.Qa4 c6 15.Be2 Nxc3 16.bxc3 Bc7 17.O-O b5 18.Qa3 Nc4 19.Bxc4 bxc4 20.Bg5 f6 21.exf6 gxf6 22.Bh6 Re8 23.Rfe1 Qd6 24.Qxd6 Bxd6 25.Nh4 Bd3 26.g3 Ba3 27.Bd2 Bb2 28.Rab1 Bxb1 29.Rxb1 Rab8 30.Bf4 Rb5 31.Nf5 Bxc3 32.Rc1 Re1+ 0-1