Chess puzzle (Checkmate)
Opening: Grunfeld_Defense, Grunfeld_Defense_Brinckmann_Attack
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 dxc4 8.
Bxc4 Qxc5 9. Nb5 Qb4+ 10. Kf1 Na6 11. a3 Qa5 12. Nc7+ Nxc7 13. Bxc7 Qf5 *
Position (FEN): r1b1k2r/ppB1ppbp/5np1/5q2/2B5/P3P3/1P3PPP/2RQ1KNR w kq - 1 14
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 803
Best move: Qd8#