Chess puzzle (Crushing)
Opening: Four_Knights_Game, Four_Knights_Game_Scotch_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Bb4+ 6. Nxb4 Nxb4 7. e5 Qe7 8.
Bb5 c6 9. O-O cxb5 *
Position (FEN): r1b1k2r/pp1pqppp/5n2/1p2P3/1n1p4/5N2/PPP2PPP/R1BQ1RK1 w kq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1281
Best move: exf6