Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit, Blackmar-Diemer_Gambit_Ziegler_Defense
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c6 6. Bc4 Bf5 7. O-O e6 8.
Ng5 Bg6 9. Ne2 Nd5 10. Nf4 Nxf4 11. Bxf4 Bd6 12. Bxe6 Bxf4 13. Bxf7+ Bxf7 14.
Nxf7 Kxf7 15. Rxf4+ Kg8 16. Qf3 Nd7 *
Position (FEN): r2q2kr/pp1n2pp/2p5/8/3P1R2/5Q2/PPP3PP/R5K1 w - - 3 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1535
Best move: Qb3#