Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bg3 Bxg3 5. hxg3 c5 6. c3 cxd4 7. exd4 Nf6 8.
Nd2 Nc6 9. Ngf3 Qe7 10. Bd3 g6 11. Qe2 Bd7 12. Ne5 Nxe5 13. Qxe5 Rc8 14. Nf3
Rg8 15. Ng5 Ng4 16. Qf4 h5 17. f3 Nh6 18. Nxf7 *
Position (FEN): 2r1k1r1/pp1bqN2/4p1pn/3p3p/3P1Q2/2PB1PP1/PP4P1/R3K2R b KQ - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1628
Best move: Nxf7