[Event "EU/C2021/sf  6"]
[Site "ICCF"]
[Date "2021.09.20"]
[Round "-"]
[White "Petrigin, Oleg Nikolaevich"]
[Black "Gierden, Horst"]
[Result "1/2-1/2"]
[WhiteElo "2375"]
[BlackElo "2383"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 e6 5.e3 Nbd7 
6.Qc2 Bd6 7.Bd3 O-O 8.O-O dxc4 9.Bxc4 b5 10.Bd3 Bb7 
11.e4 e5 12.h3 Re8 13.Nxe5 Nxe5 14.dxe5 Bxe5 15.Be3 a6 
16.f4 Bxc3 17.bxc3 c5 18.e5 c4 19.Be2 Be4 20.Qb2 Nd5 
21.Bd4 b4 22.Bxc4 bxc3 23.Qf2 Rc8 24.Bb3 c2 25.Rfe1 Bf5 
26.g4 Bd3 27.Rac1 1/2-1/2
