Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d5 6. exd5 exd5 7. O-O Nf6 8.
Re1+ Be7 9. Qe2 Nc6 10. Nxc6 bxc6 11. b3 a5 12. Ba3 Ra7 13. Bc5 Rd7 14. Bf5 Rb7
15. Bxc8 Qxc8 16. Bxe7 Rxe7 *
Position (FEN): 2q1k2r/4rppp/2p2n2/p2p4/8/1P6/P1P1QPPP/RN2R1K1 w k - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 399
Best move: Qxe7#