Nick Risko teaches all about the Exchange Variation of the Philidor Defense, characterized as 1.e4 e5 2.Nf3 d6 3.d4 exd4.
2021.05.24
Paul Morphy vs Duke Karl / Count Isouard, Paris (1858): C41 Philidor's defence
https://www.chessgames.com/perl/chessgame?gid=1233404
B07 Pirc defence
C41 Philidor, exchange variation
