[Event "Match 5"] [Site "London ENG"] [Date "1862.??.??"] [Round "?"] [White "Mackenzie, George H"] [Black "Paulsen, Louis"] [Result "1-0"] [ECO "C51"] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.O-O d6 7.d4 exd4 8.cxd4 Bb6 9.Nc3 Na5 10.Bd3 Ne7 11.e5 dxe5 12.dxe5 O-O 13.Qc2 h6 14.Ba3 c5 15. Rad1 Bd7 16.e6 fxe6 17.Bh7+ Kh8 18.Ne5 Nd5 19.Nxd5 exd5 20.Rxd5 Bf5 21. Rxd8 Bxc2 22.Rxf8+ Rxf8 23.Bxc2 1-0