1. d2d4  1... e7e6  2. e2e4  2... d7d5  3. e4d5 As it happens with the London System, these days when White plays the Exchange Variation of the French, they might not just be looking to make a draw. Nowadays, it has become a playable option even for those who are fighting for the win. 3... e6d5  4. g1f3  4... f8d6  5. c2c4 [%c_effect c4;square;c4;type;Interesting;persistent;true] Changing the character of the game.