Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. c3 Qb8 5. Nf3 Nf6 6. Bd3 Bg6 7. O-O e6 8. Na3
a6 9. Nc2 Bd6 10. Bxd6 cxd6 11. Bxg6 hxg6 12. b4 e5 13. dxe5 dxe5 14. h3 e4 15.
Nfd4 Ne5 16. a4 *
Position (FEN): rq2k2r/1p3pp1/p4np1/3pn3/PP1Np3/2P1P2P/2N2PP1/R2Q1RK1 b kq - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 2056
Best move: Neg4