Chess puzzle (Advantage)
Opening: London_System, London_System_Other_variations
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. Be5 d6 5. Bxf6 Bxf6 6. e4 Nd7 7. Bb5 a6 8.
Bxd7+ Bxd7 9. Nc3 O-O 10. e5 dxe5 11. dxe5 Bg7 12. O-O b5 13. Qd4 Bg4 *
Position (FEN): r2q1rk1/2p1ppbp/p5p1/1p2P3/3Q2b1/2N2N2/PPP2PPP/R4RK1 w - - 2 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 919
Best move: Qxg4