Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2 dxc4 8.
Bxc4 c5 9. O-O Nb6 10. Bd3 cxd4 11. exd4 Nbd5 12. Be5 b6 13. Re1 Bb7 14. Rc1 a6
15. Bb1 Rc8 16. Qd3 Nxc3 17. bxc3 g6 18. Ng5 b5 19. Qh3 h5 20. Nxe6 fxe6 21.
Bxg6 Qd5 22. Re3 Ng4 23. Rg3 Rxf2 24. Bxh5 Rxg2+ 25. Rxg2 Qxg2+ 26. Qxg2 Bxg2
27. Bxg4 Bd5 28. a4 bxa4 29. h4 a3 30. h5 a2 31. h6 Ba3 32. Rf1 Bb2 33. Bd1
a1=Q 34. Kh2 Qc1 35. Rg1+ Kf7 36. Bh5+ Kf8 *
Position (FEN): 2r2k2/8/p3p2P/3bB2B/3P4/2P5/1b5K/2q3R1 w - - 6 37
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1600
Best move: Bd6#