The opening
Most common start to the Orangutan.
Exchange Variation
Main idea
Queens pawn attacks bishop best defense for white
Black Castles after exchange
1. ... e6
Normal even line
Rare black blunder
Less Common Defenses
Knight out (not great for black)
Queens Pawn Defense (better for white a bit)
Kings Bishops pawn defense (the standard white move)
Kings Bishops pawn defense (White pawn sacrifice for bishop position)
Black's Queens pawn response