Sämisch Variation

Sämisch Variation
	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) rnbqk2r/pppp1ppp/4pn2/b7/2PP4/P1N5/1P2PPPP/R1BQKBNR w
	Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Ba5

Black failed to notice the fate of retreating the bishop to a5. White has a deadly move 5. b4.

Sämisch Variation
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) rnbqk2r/pppp1ppp/4pn2/b7/2PP4/P1N5/1P2PPPP/R1BQKBNR w
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Ba5

Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nc3/3...Bb4/4. a3/4...Ba5