[Event "WZ/Ch.Preli/18"]
[Site "ICCF"]
[Date "2020.05.31"]
[Round "-"]
[White "Rivas, Carlos"]
[Black "Lacunza, Mario"]
[Result "1/2-1/2"]

1.e4 e5 2.f4 exf4 3.Nf3 d6 4.d4 g5 5.g3 g4 
6.Nh4 f3 7.Nc3 Nc6 8.Be3 Nf6 9.Bd3 Be7 10.Qd2 Nb4 
11.O-O-O d5 12.e5 Nxd3+ 13.Qxd3 Nh5 14.Nf5 Be6 15.Kb1 Qd7 
16.Nxe7 Qxe7 17.Rdg1 Qd7 18.Bg5 f6 19.exf6 O-O-O 20.Re1 Rde8 
21.Re5 h6 22.Bh4 Qf7 23.Qe3 Nxf6 24.Bxf6 Qxf6 25.Nxd5 Qf7 
26.Nf4 Bf5 27.b3 b6 28.Re1 Rxe5 29.dxe5 Re8 30.h3 Qe7 
31.e6 h5 32.hxg4 hxg4 33.Qe5 Bxe6 34.Qe4 Kb8 35.Nxe6 f2 
36.Rf1 Qxe6 37.Qxe6 Rxe6 38.Rxf2 Re3 39.a4 Rxg3 40.Kc1 Kb7 
41.Kd2 Rg1 42.Ke3 g3 43.Re2 Rh1 44.Rg2 Rh3 45.c3 c5 
46.c4 Kc7 47.Kf4 Kd6 48.Kf5 Kc6 49.Kf4 Kb7 50.Ke3 Ka6 
51.Kd3 Ka5 1/2-1/2
