[Event "SUI/open4/1 (SUI)"]
[Site "ICCF"]
[Date "2020.12.01"]
[Round "-"]
[White "Welti, Manfred"]
[Black "Blattner, Kurt"]
[Result "1/2-1/2"]
[WhiteElo "2180"]
[BlackElo "2076"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.g3 dxc4 5.Bg2 Nc6 
6.Qa4 Bb4+ 7.Bd2 Nd5 8.Bxb4 Ndxb4 9.O-O Rb8 10.Na3 O-O 
11.Qb5 b6 12.Qxc4 Ba6 13.Nb5 Qd5 14.Qxd5 Nxd5 15.a4 Na5 
16.Ne5 Rbd8 17.Nxa7 Nb4 18.Rac1 Rxd4 19.Rxc7 Bxe2 20.Rfc1 f6 
21.Nec6 Naxc6 22.Nxc6 Nxc6 23.R7xc6 Rfd8 24.h3 R8d6 25.Rxd6 Rxd6 
26.b4 Rd4 27.Re1 Rd2 28.Ra1 Kf7 29.Bf1 Bxf1 30.Kxf1 Ke7 
31.a5 bxa5 32.bxa5 Rd7 33.Ke2 Ra7 34.Kd3 Kd6 35.Kc4 Rc7+ 
36.Kd4 Rd7 37.a6 Kc6+ 38.Kc4 Kb6 39.a7 1/2-1/2
