[Event "?"] [Site "masterchessopen.com corr."] [Round "0"] [White "Anttila Pentti"] [Black "Merkl Hans"] [Result "0-1"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 h6 10.d4 Re8 11.d5 Na5 12.Bc2 c6 13.b4 Nc4 14.dxc6 Qc7 15.a4 Be6 16.Nbd2 Qxc6 17.a5 Bf8 18.Nf1 d5 19.Ng3 Rad8 20.Qe2 d4 21.cxd4 exd4 22.e5 Bd5 23.Nxd4 Qb7 24.Ne4 Nxe4 25.Bxe4 Rxe5 {#R} 0-1