[Event "USA-01.Congress"] [Site "New York, NY USA"] [Date "1857.??.??"] [Round "3"] [White "Calthrop, S"] [Black "Paulsen, Louis"] [Result "0-1"] [ECO "C40i"] 1.e4 e5 2.Nf3 d5 3.exd5 e4 4.Bb5+ c6 5.dxc6 bxc6 6.Qe2 cxb5 7.Qxe4+ Qe7 8. Qxe7+ Bxe7 9.Nc3 a6 10.O-O Nf6 11.d4 O-O 12.Bg5 Ra7 13.Rfe1 Be6 14.Rad1 h6 15.Bxf6 Bxf6 16.Ne4 Bd8 17.h3 Bd5 18.b3 Re7 19.Nfd2 Rfe8 20.f3 f5 21.c4 Ba8 22.d5 fxe4 0-1