Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Ryder_Gambit
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 Nc6 6. Be3 Nxd4 7. Bxd4 Qxd4
8. Be2 Bg4 9. Qxb7 Rd8 10. Bb5+ Nd7 11. Be2 Nc5 12. Qc6+ Rd7 13. Rd1 Qe5 14.
Qa8+ Rd8 *
Position (FEN): Q2rkb1r/p1p1pppp/8/2n1q3/6b1/2N5/PPP1B1PP/3RK1NR w Kk - 11 15
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 801
Best move: Qxd8#