Chess puzzle (Crushing)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 c5 6. Qa4 Bd6 7. Be3 Ne7 8.
Nc3 O-O 9. O-O-O Qc7 *
Position (FEN): r1b2rk1/ppqpnppp/3b4/2p5/Q3P3/2N1B3/PPP2PPP/2KR1B1R w - - 8 10
White to move.
Themes:  Opening  
Puzzle rating: 1607
Best move: Nb5