[Event "WC46/sf  4"]
[Site "ICCF"]
[Date "2022.07.31"]
[Round "-"]
[White "Pérez López, Alberto"]
[Black "Betker, Jörg"]
[Result "1/2-1/2"]
[WhiteElo "2409"]
[BlackElo "2452"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 
6.e3 Nbd7 7.c5 Nh5 8.Bd3 Nxf4 9.exf4 b6 10.b4 a5 
11.a3 c6 12.O-O Ba6 13.Bxa6 Rxa6 14.Qe2 Qa8 15.b5 cxb5 
16.Qxb5 Ra7 17.Ne5 Nxe5 18.cxb6 Nc4 19.bxa7 Qxa7 20.f5 Qxd4 
21.fxe6 Qxc3 22.Qxd5 Nd6 23.Rac1 Qxa3 24.Rc7 Re8 25.exf7+ Nxf7 
26.Re1 Qb4 27.Kf1 g6 28.g3 Kf8 29.Re3 Nd6 30.Rf3+ Nf5 
31.Rb7 Qg4 32.Rf4 Qg5 33.Qc6 a4 34.Ra7 Rd8 35.Qxa4 Qf6 
36.Qe4 h5 37.Ra5 Kg8 38.Ra7 Bf8 39.Qc4+ Kh8 40.Qf7 Qxf7 
41.Rxf7 Kg8 42.R7xf5 gxf5 43.Rxf5 h4 44.gxh4 Rd4 45.h5 Rh4 
46.Rg5+ Kf7 47.Rf5+ Ke8 48.h3 Rxh3 49.Kg2 Rc3 50.Rf3 Rc5 
51.Rh3 Bh6 52.Kf3 Rc3+ 1/2-1/2
