[Event "It (open)"] [Site "Chicago (USA)"] [Round "0"] [White "Blankenau Mike P (USA)"] [Black "Ahlstrom S"] [Result "1-0"] [WhiteElo "2248"] [ECO "C05"] [Opening "French: Tarrasch, Closed, 4.e5"] 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6 9.exf6 Nxf6 10.O-O Bd6 11.Nf3 Qc7 12.Bg5 O-O 13.Rc1 a6 14.Bb1 Bd7 15.Qd3 Be8 16.Qe3 Kh8 17.Nf4 Ng4 18.Qd3 g6 19.Nxe6 {#r} 1-0