Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. g3 e6 4. d4 cxd4 5. Nxd4 Be7 6. Bg2 Nf6 7. Nc3 d6 8. O-O
O-O 9. Re1 e5 10. Nf5 Bxf5 11. exf5 Qb6 12. Nd5 Rad8 *
Position (FEN): 3r1rk1/pp2bppp/1qnp1n2/3NpP2/8/6P1/PPP2PBP/R1BQR1K1 w - - 3 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1704
Best move: Nxb6