Chess puzzle (Crushing)
Opening: Four_Knights_Game, Four_Knights_Game_Scotch_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 d6 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8
8. Bg5 Bb4 9. Bxf6+ gxf6 10. O-O-O+ Bd7 11. Nd5 Kc8 *
Position (FEN): r1k4r/pppb1p1p/5p2/3Np3/1b2P3/8/PPP2PPP/2KR1B1R w - - 4 12
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1510
Best move: Nxb4