[Event "?"] [Site "masterchessopen.com – corr."] [Round "0"] [White "Rantanen Veikko"] [Black "Koskinen Pertti"] [Result "1-0"] [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 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Rd8 13.Nf1 Nd7 14.Ne3 Nf6 15.Nd5 Nxd5 16.exd5 cxd4 17.cxd4 Nc4 18.b3 Nb6 19.Bb2 f6 20.Nh4 Bb7 21.Qd3 g6 22.Nxg6 Bf8 23.dxe5 dxe5 24.Nxe5 Rxd5 25.Qg3+ Bg7 26.Bxh7+ Kxh7 27.Qg6+ Kh8 28.Rac1 Qxc1 29.Nf7+ Kg8 30.Rxc1 Rf8 31.Nh6+ Kh8 32.Nf5 Rd7 33.Nxg7 {#r} 1-0