Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 d5 3. Nf3 Bg4 4. Be2 exf4 5. exd5 Bxf3 6. Bxf3 Qh4+ 7. Kf1 Bd6
8. d4 Nf6 9. Nc3 a6 10. Qe2+ Kd8 11. Qc4 Re8 12. Bd2 g5 13. Be2 Nbd7 14. Na4 b5
15. Qc6 Rb8 16. Nc5 g4 17. Nb7+ Rxb7 18. Qxb7 Ne4 19. Be1 Ng3+ 20. Bxg3 fxg3
21. h3 Qf6+ 22. Ke1 Qf2+ 23. Kd1 Qxe2+ 24. Kc1 Bf4+ 25. Kb1 Qe1+ 26. Rxe1 *
Position (FEN): 3kr3/1Qpn1p1p/p7/1p1P4/3P1bp1/6pP/PPP3P1/RK2R3 b - - 0 26
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 613
Best move: Rxe1#