Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Winawer_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bc5 7. b4 Qb6 *
Position (FEN): rnb1k1nr/pp3ppp/1q2p3/1NbpP3/1P1p4/8/P1PB1PPP/R2QKBNR w KQkq - 1 8
White to move.
Themes:  Opening  
Puzzle rating: 1638
Best move: bxc5