[Event "WC45/sf  4"]
[Site "ICCF"]
[Date "2021.06.20"]
[Round "-"]
[White "Koo, Oliver"]
[Black "Kowalczyk, Ryszard"]
[Result "1/2-1/2"]
[WhiteElo "2465"]
[BlackElo "2376"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 
6.h3 e5 7.Nb3 Be6 8.f4 b5 9.f5 Bc8 10.Bg5 Be7 
11.a4 bxa4 12.Rxa4 Bd7 13.Ra3 O-O 14.Bd3 a5 15.O-O a4 
16.Qa1 Na6 17.Bxf6 Bxf6 18.Nxa4 Nb4 19.Nc3 Rxa3 20.Qxa3 Qb6+ 
21.Kh1 Rb8 22.Nd2 Bc6 23.Ra1 Qd8 24.Rb1 g6 25.Rf1 Be7 
26.Bc4 d5 27.fxg6 hxg6 28.Nxd5 Nxd5 29.Qg3 Nf4 30.Rxf4 exf4 
31.Qxg6+ 1/2-1/2
