Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. b3 cxd4 5. exd4 Nc6 6. c3 Bg4 7. f3 Bf5 8. h3
e6 9. Bd3 Bxd3 10. Qxd3 Nh5 11. Ne2 *
Position (FEN): r2qkb1r/pp3ppp/2n1p3/3p3n/3P1B2/1PPQ1P1P/P3N1P1/RN2K2R b KQkq - 2 11
Black to move.
Themes:  Opening  
Puzzle rating: 1449
Best move: Nxf4