Grandmaster Elshan Moradiabadi profiles Wilhelm Steinitz, Johannes Zukertort, and Joseph Henry Blackburne and the early tournaments of international chess.
2019.04.18
Joseph Henry Blackburne vs Wilhelm Steinitz, Vienna (1873): C60 Ruy Lopez, Cozio defence
http://www.chessgames.com/perl/chessgame?gid=1028904
Johannes Zukertort vs Joseph Henry Blackburne, London (1883): A13 English opening
http://www.chessgames.com/perl/chessgame?gid=1001854