Chess puzzle (Crushing)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Nd7 7. Nc3 h6 8. O-O
Ne7 9. Nh4 Qc7 10. f4 c5 *
Position (FEN): r3kb1r/ppqnnpp1/4p2p/2ppP3/3P1P1N/2NQ4/PPP3PP/R1B2RK1 w kq - 0 11
White to move.
Themes:  Opening  
Puzzle rating: 1447
Best move: Nb5