Chess puzzle (Crushing)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Queens_Knight_Defense
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 d6 4. Bc4 f5 5. d3 fxe4 6. dxe4 Nf6 7. Nc3 Bg4 8. O-O
Bxf3 9. Qxf3 Nd4 10. Qf2 Qe7 11. fxe5 Qxe5 12. Bf4 Qc5 13. Bb3 *
Position (FEN): r3kb1r/ppp3pp/3p1n2/2q5/3nPB2/1BN5/PPP2QPP/R4RK1 b kq - 3 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1960
Best move: Ng4