Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. b3 Nf6 3. Bb2 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Ne4 7. O-O c5 8. Nfd2
f5 9. Nxe4 fxe4 10. e3 Nc6 11. c3 Bf5 12. dxc5 Qd7 13. b4 a6 14. Nd2 Ne5 15.
Nb3 Nd3 16. Qc2 e5 17. Rad1 Rf7 18. Nc1 Raf8 19. a3 Bg4 20. Rxd3 exd3 21. Qxd3
e4 22. Qd2 Bf3 23. Nb3 h5 24. Nd4 Bxd4 25. Qxd4 Be2 26. c4 Kh7 27. cxd5 Bxf1
28. Kxf1 Rxf2+ 29. Kg1 Qf7 30. Bxe4 Rg2+ 31. Kxg2 *
Position (FEN): 5r2/1p3q1k/p5p1/2PP3p/1P1QB3/P3P1P1/1B4KP/8 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1713
Best move: Qf1#