Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 Bf5 5. Qb3 Qb6 6. Qxb6 axb6 7. cxd5 Nxd5 8.
Nxd5 cxd5 9. e3 e6 10. Bb5+ Nc6 11. Ne5 Bb4+ 12. Bd2 Bxd2+ 13. Kxd2 Rc8 14.
Rac1 O-O 15. Nxc6 bxc6 16. Bxc6 Rc7 17. Bb5 Rfc8 18. Rxc7 Rxc7 19. Rc1 Rxc1 20.
Kxc1 Kf8 21. a4 Ke7 22. Kd2 Kd6 23. Kc3 f6 24. f4 Bg6 25. Kb4 e5 26. g3 Bc2 27.
Be2 h6 28. Kb5 g5 29. b4 exd4 30. exd4 Kc7 31. Bf3 *
Position (FEN): 8/2k5/1p3p1p/1K1p2p1/PP1P1P2/5BP1/2b4P/8 b - - 2 31
Black to move.
Themes:  Bishop Endgame, Endgame Mate in 1 
Puzzle rating: 1651
Best move: Bd3#