Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 Nd7 3. Nc3 e5 4. Nf3 c6 5. g3 Qc7 6. Bg2 f5 7. O-O Be7 8. b4
Ngf6 9. a3 e4 10. Ne1 O-O 11. Nc2 Rf7 12. Bb2 Nf8 13. d5 Bd7 14. Nd4 Re8 15. e3
Bd8 16. Qd2 Ng6 17. Rfd1 Ne5 18. Qe2 a6 19. dxc6 bxc6 20. Nb3 Qb8 21. Rd2 Bc7
22. Rad1 g5 23. c5 d5 24. Qxa6 Nfg4 25. Qe2 f4 26. exf4 gxf4 27. gxf4 Rxf4 28.
Nxe4 dxe4 29. Bxe5 Nxe5 30. Rxd7 Nxd7 31. Rxd7 e3 32. fxe3 Rh4 33. h3 Bh2+ 34.
Kh1 Qg3 35. Rd3 Rxh3 36. Nd4 Rf8 37. Nf3 Rxf3 38. Qxf3 Qe1+ 39. Qf1 Bg3+ 40.
Kg1 *
Position (FEN): 6k1/7p/2p5/2P5/1P6/P2RP1br/6B1/4qQK1 b - - 4 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1716
Best move: Bf2#