[Event "WS/MN/171"]
[Site "ICCF"]
[Date "2018.04.27"]
[Round "-"]
[White "Petrigin, Oleg Nikolaevich"]
[Black "Mudra, Oldrich"]
[Result "1/2-1/2"]
[WhiteElo "2321"]
[BlackElo "2305"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.Bg5 h6 
6.Bxf6 Qxf6 7.e3 Nd7 8.Be2 dxc4 9.O-O Qd8 10.Bxc4 Be7 
11.Qc2 O-O 12.Rac1 b6 13.Rfd1 Bb7 14.a3 Rc8 15.Ba2 Re8 
16.Bb1 Nf8 17.Qe2 Nd7 18.h3 Qc7 19.Qc2 Nf8 20.Ne5 Bd6 
21.Nc4 Be7 22.b4 Red8 23.Qb3 c5 24.dxc5 bxc5 25.b5 Bd5 
26.Bd3 Nh7 27.Nb1 Qb7 28.Bf1 Rb8 29.a4 a6 30.Nc3 Bf6 
31.e4 Bxc4 32.Qxc4 axb5 33.Nxb5 Qa8 34.Rxd8+ Rxd8 35.e5 Bxe5 
36.Qxc5 Bf6 37.Qb4 Bg5 38.Rc2 Rd1 39.Nc3 Ra1 40.Ra2 Rxa2 
41.Nxa2 Nf6 42.a5 Nd5 43.Qb5 Qa7 44.a6 Bh4 45.Qb2 Nc7 
46.Qe2 Qc5 47.Qe3 Be7 48.Qb3 Qa7 49.Qc2 Bc5 50.Qe2 Nd5 
51.Nc1 Bb6 52.Nb3 Qc7 53.Nd2 Ba7 54.Nc4 Qf4 55.Qf3 Qxf3 
56.gxf3 1/2-1/2
