[Event "?"] [Site "masterchessopen.com Vantaa (Finland)"] [Round "0"] [White "Tuomala Timo (FIN)"] [Black "Koskinen Henri (FIN)"] [Result "1-0"] [WhiteElo "2227"] [BlackElo "2265"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.Be3 Nc6 10.O-O cxd4 11.cxd4 Bg4 12.f3 Na5 13.Bd3 Be6 14.d5 Bxa1 15.Qxa1 f6 16.Rb1 Bd7 17.e5 e6 18.Bh6 Rf7 19.Nf4 fxe5 20.Qxe5 exd5 21.Nxd5 Nc6 22.Qe3 Bf5 23.Bc4 Bxb1 24.Qc3 {#r} 1-0