Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Nc6 8.
Be2 a6 9. a4 Bd7 10. O-O cxd4 11. cxd4 Be7 12. a5 Nxa5 13. Bd2 Nc6 14. Qb3 b5
15. e5 Bc8 16. Qc2 O-O 17. Qxc6 Bd7 18. Qc2 Qb6 19. Ba5 Qb7 20. Bd3 Rac8 21.
Bxh7+ Kh8 22. Be4 Bc6 23. Bxc6 Rxc6 24. Qe4 Qc8 25. Bd2 f6 26. exf6 Bxf6 27.
Ng5 Bxg5 28. Bxg5 Rf5 29. Rfc1 Rxc1+ 30. Bxc1 Qc3 31. Qb1 *
Position (FEN): 7k/6p1/p3p3/1p3r2/3P4/2q5/5PPP/RQB3K1 b - - 2 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 703
Best move: Qe1#