Chess Opening Theory/1. b4/1...e5/2. Bb2/2...Bxb4< Chess Opening Theory | 1. b4 | 1...e5 | 2. Bb2
Black takes the undefended pawn which almost definitely causes 3. Bxe5 from white. Now not only has black lost a central pawn for a flank pawn, but black also has to worry about white's threat on g7.
1. b4 e5 2. Bb2 Bxb4
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