[Event "It (open)"] [Site "masterchessopen.com Oulu (Finland)"] [Round "5"] [White "Hallenberg Sami (FIN)"] [Black "Viirret Janne"] [Result "1-0"] [WhiteElo "2108"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.f5 Nc5 14.f6 gxf6 15.gxf6 Bf8 16.Bxb5+ axb5 17.Ndxb5 Qb6 18.Qg3 Rb8 19.Rxd6 Bxd6 20.Nxd6+ Kd7 21.Ncb5 Nxe4 22.Nxe4 Rg8 23.Rd1+ {#r} 1-0