Chess puzzle (Checkmate)
Opening: Zukertort_Opening, Zukertort_Opening_Tennison_Gambit
Moves: 1. Nf3 d5 2. e4 dxe4 3. Ng5 Nf6 4. Nc3 Bg4 5. f3 exf3 6. gxf3 Qd4 7. fxg4 Qe5+
8. Nge4 Nxe4 9. Nxe4 Qxe4+ 10. Qe2 Qxh1 11. Qb5+ Nd7 12. d4 Qe4+ 13. Qe2 Qxd4
14. c3 Qd6 15. Be3 O-O-O 16. Bxa7 b6 *
Position (FEN): 2kr1b1r/B1pnpppp/1p1q4/8/6P1/2P5/PP2Q2P/R3KB2 w Q - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 593
Best move: Qa6#