Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Bg4 4. Qc1 e6 5. Nd2 c5 6. c3 Nc6 7. Bd3 h6 8. Ngf3
Bxf3 9. Nxf3 Nh5 10. Bg3 Nxg3 11. hxg3 Rc8 12. Ne5 cxd4 13. exd4 Nxd4 *
Position (FEN): 2rqkb1r/pp3pp1/4p2p/3pN3/3n4/2PB2P1/PP3PP1/R1Q1K2R w KQk - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1812
Best move: Qf4