Chess puzzle (Checkmate)
Opening: Vienna_Game, Vienna_Game_Stanley_Variation
Moves: 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. Qf3 Nd4 5. Qd3 Bb4 6. Nge2 Nxe2 7. Qxe2 Bxc3
8. bxc3 O-O 9. d4 Re8 10. O-O d5 11. exd5 Nxd5 12. dxe5 Nxc3 13. Qf3 Nd5 14.
Bxd5 Rxe5 15. Rd1 Qxd5 16. Rxd5 *
Position (FEN): r1b3k1/ppp2ppp/8/3Rr3/8/5Q2/P1P2PPP/R1B3K1 b - - 0 16
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 762
Best move: Re1#