[Event "?"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Valtonen M"] [Black "Zimmer Peter"] [Result "1-0"] [ECO "C68"] [Opening "Spanish: Exchange, 4...dxc6"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.c3 Bd6 8.Be3 Qe7 9.Nbd2 O-O-O 10.Qc2 exd4 11.Nxd4 g5 12.Nc4 Nh6 13.b4 Nf7 14.a4 Be6 15.Na5 Ne5 16.b5 axb5 17.axb5 cxb5 18.Nxb5 Bc5 19.Nd4 Bb6 20.Rfb1 Ng4 21.Nxb7 Nxe3 22.Qa4 Rxd4 23.Qc6 {#r} 1-0