Chess puzzle (Checkmate)
Opening: Englund_Gambit_Complex, Englund_Gambit_Complex_Englund_Gambit
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bg5 Qc5 5. Nc3 Nxe5 6. Nxe5 Qxe5 7. Qd2 Nf6
8. O-O-O Bb4 9. e3 Ne4 10. Qd5 Bxc3 11. bxc3 Qxd5 12. Rxd5 Nxc3 13. Re5+ Kf8
14. Be7+ Kg8 15. Bb4 d6 *
Position (FEN): r1b3kr/ppp2ppp/3p4/4R3/1B6/2n1P3/P1P2PPP/2K2B1R w - - 0 16
White to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 492
Best move: Re8#