[Event "DE10A/SF /SF 4"]
[Site "ICCF"]
[Date "2018.01.13"]
[Round "-"]
[White "Coyne, David W."]
[Black "Marquardt, Günter"]
[Result "1-0"]
[WhiteElo "2328"]
[BlackElo "2185"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.g3 g6 5.Bg2 Bg7 
6.d4 cxd4 7.Nxd4 O-O 8.O-O Qb6 9.Nc2 d6 10.b3 Be6 
11.e4 Nd7 12.Nd5 Qa6 13.Bd2 Bxd5 14.exd5 Nde5 15.dxc6 bxc6 
16.Bc3 Rfc8 17.f4 Nd7 18.Bxg7 Kxg7 19.Qd4+ Nf6 20.g4 Kg8 
21.g5 Nh5 22.f5 Ng7 23.f6 exf6 24.gxf6 Nf5 25.Qg4 Qa5 
26.Rae1 Re8 27.b4 Qb6+ 28.c5 dxc5 29.Rxe8+ Rxe8 30.Rxf5 cxb4+ 
31.Rf2 b3 32.axb3 Qc5 33.Qf4 a5 34.Bxc6 Rd8 35.Ne3 Rd4 
36.Qb8+ Qf8 37.Be8 Kh8 38.Qa7 Rd8 39.Bxf7 a4 40.bxa4 Ra8 
41.Qe7 Rc8 42.Ng4 1-0
