Chess puzzle (Checkmate)
Moves: 1. f4 g5 2. fxg5 h6 3. gxh6 Bxh6 4. Nf3 d5 5. d4 c5 6. Bxh6 Nxh6 7. e3 Nc6 8.
Bb5 Qa5+ 9. Nc3 Bd7 10. O-O e6 11. Bxc6 Bxc6 12. Ne2 O-O-O 13. c3 Rdg8 14. dxc5
Qxc5 15. Qd3 Ng4 16. b4 Qb6 17. Ned4 e5 18. Nxc6 bxc6 19. Rfe1 e4 20. Qf1 exf3
21. Qxf3 Nxh2 22. Qxf7 Qc7 23. Qf5+ Kb8 24. c4 Ng4 25. Qf4 Qxf4 26. exf4 dxc4
27. Rac1 Re8 28. Red1 Re4 29. Rd6 Rhe8 30. Rxc6 Re1+ 31. Rxe1 *
Position (FEN): 1k2r3/p7/2R5/8/1Pp2Pn1/8/P5P1/4R1K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Rxe1#