Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nc6 3. Nf3 Bf5 4. e3 Nf6 5. h3 e6 6. c4 Nb4 7. Na3 c6 8. Be2
Qa5 9. O-O Be4 10. cxd5 Nbxd5 11. Qb3 Bxa3 12. bxa3 O-O 13. Qxb7 Rab8 14. Qxc6
*
Position (FEN): 1r3rk1/p4ppp/2Q1pn2/q2n4/3PbB2/P3PN1P/P3BPP1/R4RK1 b - - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1608
Best move: Nxf4