Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. e4 d5 3. e5 Bf5 4. c3 e6 5. Bd3 Bxd3 6. Qxd3 c5 7. Nf3 cxd4 8. cxd4
Bb4+ 9. Nc3 Ne7 10. a3 Ba5 11. b4 Bb6 12. Nb5 O-O 13. Nd6 Qd7 14. O-O Nbc6 15.
Be3 Nc8 16. Nxc8 Raxc8 17. Rfc1 Ne7 18. g4 Rc6 19. Nd2 Rfc8 20. Nb3 Rxc1+ 21.
Rxc1 Rxc1+ 22. Nxc1 Qa4 23. Kg2 a5 24. bxa5 Bxa5 25. Qb3 Qxb3 26. Nxb3 b6 27.
a4 Nc6 28. h4 h6 29. f4 Kh7 30. Kf3 Kg6 31. h5+ Kh7 32. Kg3 g6 33. Kh4 gxh5 34.
Kxh5 Bc3 35. f5 Kg7 36. Bxh6+ Kh7 37. Be3 Kg8 38. Kg5 Kf8 39. Kf6 exf5 40. gxf5
Bb4 41. e6 *
Position (FEN): 5k2/5p2/1pn1PK2/3p1P2/Pb1P4/1N2B3/8/8 b - - 0 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 943
Best move: Be7#