[Event "S-Open/9-pr  3"]
[Site "ICCF"]
[Date "2024.06.15"]
[Round "-"]
[White "Groesen, Roger van"]
[Black "Pérez López, Alberto"]
[Result "1/2-1/2"]
[WhiteElo "1800"]
[BlackElo "2425"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Bb4 5.cxd5 exd5 
6.Bg5 h6 7.Bh4 O-O 8.e3 Bf5 9.Qb3 Bxc3+ 10.bxc3 Nbd7 
11.Be2 c5 12.dxc5 g5 13.Bg3 Nxc5 14.Qb4 Rc8 15.O-O Re8 
16.Nd4 Bg6 17.Nb5 a5 18.Qd4 Nce4 19.Rac1 Qe7 20.Rfd1 Bh5 
21.Bxh5 Nxh5 22.a4 Nhxg3 23.hxg3 Rc5 24.c4 Rec8 25.g4 Nf6 
26.Nc3 dxc4 27.Rb1 R5c7 28.Rb6 Rd7 29.Qxf6 Rxd1+ 30.Nxd1 Qxf6 
31.Rxf6 c3 32.Nxc3 Rxc3 33.Rf5 b6 34.Rf6 Kg7 35.Rxb6 Rc4 
36.Ra6 1/2-1/2
