Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Qc2 c6 5. Nbd2 Be7 6. e4 dxe4 7. Nxe4 Nxe4 8.
Qxe4 Nd7 9. Bd3 Nf6 10. Qe2 O-O 11. O-O b6 12. Bg5 Bb7 13. Rad1 Qc7 14. Rfe1 c5
15. d5 Rae8 16. dxe6 Bd6 17. Bxf6 Rxe6 18. Qd2 Rxf6 19. Be4 Rd8 20. Bxb7 Qxb7
21. Qg5 h6 22. Qh4 Qc7 23. h3 Rf8 24. Rd5 Bf4 25. Qg4 Bd6 26. Red1 a5 27. b3
Re8 28. Re1 Rxe1+ 29. Nxe1 Re6 30. Nf3 Re2 31. Nh4 *
Position (FEN): 6k1/2q2pp1/1p1b3p/p1pR4/2P3QN/1P5P/P3rPP1/6K1 b - - 4 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 762
Best move: Re1#