Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be3 Bd7 7. Be2 Qxb2 8. Nbd2
Qxc3 9. O-O cxd4 10. Rc1 Qb4 11. Rb1 Qc3 12. Rb3 Qa5 13. Nxd4 Nxd4 14. Bxd4 Bc5
15. Bxc5 Qxc5 16. Rxb7 Ne7 17. Qb3 O-O 18. Rxd7 Rab8 19. Qe3 Qxe3 20. fxe3 Nc6
21. Rc7 Nxe5 22. Rxa7 h6 23. a4 Nc6 24. Ra6 Rfc8 25. Rc1 Ne5 26. Rxc8+ Rxc8 27.
a5 Rc1+ 28. Kf2 Rc2 29. Nf3 Nd3+ 30. Kf1 Rc1+ 31. Ne1 *
Position (FEN): 6k1/5pp1/R3p2p/P2p4/8/3nP3/4B1PP/2r1NK2 b - - 8 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 777
Best move: Rxe1#