London System

Ideal setup: d4, Bf4, e3, Nf3, Bd3, Nd2, c3
	>ALWAYS do Bf4 before doing e3, Nd2, or Bd3
	>ALWAYS do e3 before, Bd3

If opponent plays Bd6
-Do Bg3
-If opposing bishop attacks, capture back with hg3

If opponent plays Nc6:
-Try to do c3 as soon as you can to defend the b4 square

If the opponent protects the e rank pawn (ex. putting queen or rook behind it):
-Occupy e5 immediately (usually Ne5, this is why Nf3 could be good)

If opponent does early c5 (with a d5 opener):
-Can your typical setup, don't worry about it
	>If opponent also does Qb6: Nc3
		-If queen takes pawn: Nb5
		-If queen doesn't take pawn: Rb1
-Can also consider the early Nc3
	>If opponent doesn't do a6: Nb5
	>If opponent does do a6: Option to do Nf3, Be2, Qd2, & 0-0-0 or you can just develop normally

If opponent does Bf5:
-Do c4, Nc3, Qb3

If opponent does Nf6, g6 to open:
-ALWAYS do Nc3
	>If opponent does Bg7: e4, Qd2, now you have Bh6 & 0-0-0, then you start attacking with 3 pawns on kingside
	>If opponent does d5: e3
		-If opponent does Bg7: h4
			>If opponent castles: h5 & sacrifice rook
			>If opponent does h5: Just develop your kingside pieces (bishop, knight, even pawns)

If opponent does c5 without a d5:
-Play d5 yourself
	>If opponent does Qb6: Nc3, queen takes pawn, Bd2, then do e4 & f4
	>If opponent doesn't play this queen: Nc3, then try to do e4, Qd2, 0-0-0

If opponent does a Dutch system (f5 turn 1):
-Setup your London system but try to castle queenside

Options after setup is complete (and black castles king side):
-Advance the e pawn in a pawn trade in the center
-Play f4
-Qh5
-Qf3 --> Qh3
-Bh4