Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 c5 3. c4 e6 4. dxc5 Bxc5 5. cxd5 exd5 6. Nc3 Nf6 7. a3 O-O 8.
b4 Bb6 9. Bb2 Be6 10. e3 Na6 11. Nd4 Nc7 12. Bd3 a6 13. O-O Re8 14. Qf3 Qd7 15.
Nce2 Ne4 16. Nxe6 Nd2 17. Qg4 fxe6 18. Rfd1 Nb3 19. Rab1 a5 20. Be5 a4 21. Bxc7
Qxc7 22. Qh3 g6 23. Nf4 Rad8 24. Nxe6 Qe5 25. Nxd8 Rxd8 26. Bb5 d4 27. Bc4+ Kg7
28. exd4 Nxd4 29. Qg3 Ne2+ 30. Bxe2 Rxd1+ 31. Bxd1 *
Position (FEN): 8/1p4kp/1b4p1/4q3/pP6/P5Q1/5PPP/1R1B2K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 439
Best move: Qe1#