Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. c4 dxc4 4. Nc3 e6 5. e4 Bb4 6. Bxc4 Nf6 7. d5 exd5 8.
exd5 Na5 9. Qe2+ Kf8 10. Bg5 Nxc4 11. Qxc4 Bxc3+ 12. Qxc3 Qxd5 13. Bxf6 gxf6
14. Qxf6 Qa5+ 15. Nd2 Kg8 16. Qd8+ Kg7 17. Qd4+ Kg8 18. O-O c5 19. Qd6 Be6 20.
b3 Rd8 21. Nc4 Bxc4 22. Qg3+ Kf8 23. bxc4 Rg8 24. Qh4 Rg7 25. Rfe1 Qc7 26. Re3
Rd4 27. Qh6 Rg4 28. g3 Rxc4 29. Rae1 Qd8 30. Qd6+ Qxd6 *
Position (FEN): 5k2/pp3prp/3q4/2p5/2r5/4R1P1/P4P1P/4R1K1 w - - 0 31
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 611
Best move: Re8#