Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. e4 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Bf4 Nf6 7. Bg5 h6 8. Bh4
g5 9. Bg3 Bb4 10. a3 Bxc3+ 11. bxc3 Nxe4 12. Qf3 Nxg3 13. fxg3 Qb6 14. Bd3 Nxd4
15. cxd4 Qxd4 16. Rd1 Qe5+ 17. Kf2 O-O 18. Rhe1 Qd4+ 19. Kf1 Qg7 20. Re4 d5 21.
Rb4 b5 22. c4 Bd7 23. cxd5 exd5 24. Qxd5 Be6 25. Qe4 Rfe8 26. Qf3 Rad8 27. Kg1
Qe5 28. Qh5 Qe3+ 29. Kh1 Rxd3 30. Rbb1 Rxd1+ 31. Rxd1 Bg4 32. Qxh6 Qe1+ 33.
Rxe1 *
Position (FEN): 4r1k1/5p2/p6Q/1p4p1/6b1/P5P1/6PP/4R2K b - - 0 33
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 440
Best move: Rxe1#