Chess puzzle (Crushing)
Opening: English_Defense, English_Defense_Other_variations
Moves: 1. d4 b6 2. e3 Bb7 3. Bd3 e6 4. f4 *
Position (FEN): rn1qkbnr/pbpp1ppp/1p2p3/8/3P1P2/3BP3/PPP3PP/RNBQK1NR b KQkq - 0 4
Black to move.
Themes:  Opening  
Puzzle rating: 1430
Best move: Bxg2