[Event "RoW/C2023/pr.  4"]
[Site "ICCF"]
[Date "2023.07.20"]
[Round "-"]
[White "Marks, David W."]
[Black "Dudley, Michael"]
[Result "0-1"]
[WhiteElo "2115"]
[BlackElo "2205"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 
6.Be3 e5 7.Nb3 Be6 8.f3 h5 9.Nd5 Bxd5 10.exd5 Nbd7 
11.Qe2 Nxd5 12.Bf2 Nf4 13.Qd2 Qc7 14.g3 Ne6 15.O-O-O Be7 
16.f4 O-O 17.Kb1 Rac8 18.c3 b5 19.Bd3 Nf6 20.Rhe1 Rfe8 
21.h3 exf4 22.gxf4 d5 23.f5 Nf4 24.Bd4 Bd6 25.Bxf6 gxf6 
26.Rf1 Kh7 27.Rf3 Rg8 28.Bf1 Be5 29.a3 Rg1 30.Nd4 Rcg8 
31.Ne2 Nxe2 32.Qxe2 Qc4 33.Rfd3 Kh6 34.Rxd5 Qxe2 35.Bxe2 R1g2 
36.Bf1 Rf2 37.R5d2 Rxf5 38.Bg2 Rg3 39.Kc2 h4 40.Re2 Rfg5 
41.Bf1 Rf3 42.Bg2 Rfg3 43.Bb7 Rxh3 44.Bxa6 Rh2 45.Rxh2 Bxh2 
46.b4 Bc7 47.Rd3 Bg3 48.Rd8 Kh7 49.Rd3 Kh6 50.Rd8 Kh7 
51.Rd3 Kh6 52.Rd8 Re5 53.c4 bxc4 54.Bxc4 Kg5 55.Bf1 f5 
56.b5 Rc5+ 57.Kd1 Re5 58.Kd2 Be1+ 59.Kc2 Rc5+ 60.Kd1 Ba5 
61.Rf8 f6 62.a4 Rd5+ 63.Ke2 Kf4 0-1
