The greatest draw in history of chess!

The Immortal Draw: Carl Hamppe vs Philipp Meitner
Vienna Vienna, 1872
1.e4 e5 2.Nc3 Bc5 3.Na4 Bxf2+ 4.Kxf2 Qh4+ 5.Ke3 Qf4+ 6.Kd3 d5 7.Kc3 Qxe4 8.Kb3 Na6 9.a3 Qxa4+ 10.Kxa4 Nc5+ 11.Kb4 a5+ 12.Kxc5 Ne7 13.Bb5+ Kd8 14.Bc6 [14.Nf3 b6#] 14...b6+ 15.Kb5 Nxc6 16.Kxc6 [16.Ka4 Nd4 17.Qf1 Bd7+ 18.Qb5 Bxb5#] 16...Bb7+ 17.Kb5 Ba6+ 18.Kc6 Bb7+ ½--½