Chess Opening Theory/1. d4/1...f5/2. Bg5/2...h6/3. Bh4

Dutch Defence with 2.Bg5
	a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
	Position in Forsyth-Edwards Notation (FEN) rnbqkbnr/ppppp1p1/7p/5p2/3P3B/8/PPP1PPPP/RN1QKBNR b
	Moves: 1.d4 f5 2. Bg5 h6
	ECO code: A80
	Parent: Dutch Defence

This retreat appears to lose the bishop, but it doesn't! If 3...g5 4.Bg3 f4?!, 5.e3! h5 6.Bd3! gives a crushing attack.

Theory table

g5 f4?!

4.Bg3 5.e3

Dutch Defence with 2.Bg5
a b c d e f g h 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 a b c d e f g h
Position in Forsyth-Edwards Notation (FEN) rnbqkbnr/ppppp1p1/7p/5p2/3P3B/8/PPP1PPPP/RN1QKBNR b
Moves: 1.d4 f5 2. Bg5 h6
ECO code: A80
Parent: Dutch Defence