Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 O-O 6. Nbd2 Ng4 7. O-O a5 8. h3
Nf6 9. Bb5 d5 10. Bxc6 bxc6 11. Nxe5 dxe4 12. dxe4 Re8 13. Nxc6 Qd6 14. e5 Qxc6
15. exf6 Qxf6 16. Qf3 Qxf3 17. Nxf3 Re2 18. Rb1 Bb7 19. Nd4 Bxd4 20. cxd4 Be4
21. Ra1 Rd8 22. Rd1 Bc2 23. Rd2 Re1+ 24. Kh2 Bf5 25. b3 c5 26. Bb2 Rxa1 27.
Bxa1 cxd4 28. Rxd4 Rxd4 29. Bxd4 Bb1 30. a3 Ba2 31. b4 axb4 32. axb4 Bc4 33.
Bc5 f6 34. Kg3 Kf7 35. Kf4 g5+ 36. Kf5 Bf1 37. g4 *
Position (FEN): 8/5k1p/5p2/2B2Kp1/1P4P1/7P/5P2/5b2 b - - 0 37
Black to move.
Themes:  Bishop Endgame, Endgame Mate in 1 
Puzzle rating: 1168
Best move: Bd3#