Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. e5 dxe5 6. Bxe5 O-O 7. Nb5 Nd5 8.
Bxg7 Kxg7 9. c4 Nf6 10. d5 a6 11. Nc3 Bf5 12. Bd3 Bc8 13. Nf3 c6 14. Qc2 cxd5
15. O-O-O d4 16. Ne4 e5 17. Nxe5 Nxe4 18. Bxe4 Qg5+ 19. Kb1 Qxe5 20. Rhe1 Qf6
21. Bf3 Bf5 22. Be4 Bxe4 23. Rxe4 Nc6 24. Qb3 Rfe8 25. Rxe8 Rxe8 26. Qxb7 Re2
27. Qb6 Qf5+ 28. Ka1 Qc2 29. Rb1 d3 30. Qxc6 Qxb1+ 31. Kxb1 *
Position (FEN): 8/5pkp/p1Q3p1/8/2P5/3p4/PP2rPPP/1K6 b - - 0 31
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 984
Best move: Re1#