Chess puzzle (Crushing)
Opening: Grunfeld_Defense, Grunfeld_Defense_Three_Knights_Variation
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 g6 4. Nc3 dxc4 5. e4 Bg7 6. Bxc4 O-O 7. e5 Nfd7 8. e6
fxe6 9. Bxe6+ Kh8 10. Ng5 Qe8 11. Qb3 Bxd4 12. O-O Nc5 13. Qd5 Bxe6 *
Position (FEN): rn2qr1k/ppp1p2p/4b1p1/2nQ2N1/3b4/2N5/PP3PPP/R1B2RK1 w - - 0 14
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1503
Best move: Qxd4+