Chess puzzle (Crushing)
Opening: Kangaroo_Defense, Kangaroo_Defense_Keres_Defense
Moves: 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. Nf3 Nf6 5. Bg5 O-O 6. Rc1 Ne4 *
Position (FEN): rnbq1rk1/pp1p1ppp/4p3/2p3B1/1bPPn3/2N2N2/PP2PPPP/2RQKB1R w K - 6 7
White to move.
Themes:  Opening  
Puzzle rating: 742
Best move: Bxd8