[Event "Match"] [Site "London ENG"] [Date "1872.08.20"] [Round "7"] [White "Zukertort, Johannes"] [Black "Steinitz, Wilhelm"] [Result "1/2-1/2"] [ECO "C77d"] [EventDate "1872.08.06"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.Bxc6+ bxc6 7.h3 g6 8.Nc3 c5 9.Bg5 c6 10.Qd2 h6 11.Bxf6 Qxf6 12.Ne2 Bg7 13.Ng3 Qe7 14.Rb1 f5 15.b4 f4 16.Ne2 cxb4 17.Qxb4 Be6 18.Qb7 Qxb7 19.Rxb7 O-O 20.Kd2 Bf6 21.c4 1/2-1/2