Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. Nb5 Na6 5. e3 e6 6. Nf3 c6 7. Nc3 Bd6 8. Ne5
O-O 9. Bxa6 bxa6 10. Nxc6 Qc7 11. Bxd6 Qxd6 12. Ne5 Rab8 13. Rb1 Rfc8 14. O-O
a5 15. Nd3 Nd7 16. Na4 Nb6 17. Nac5 Nc4 18. b3 Na3 19. Rc1 h6 20. f3 Bh7 21.
Qd2 Qb6 22. c3 Qb5 23. e4 Qb6 24. Nd7 Qd6 25. Nxb8 Rxb8 26. Nc5 Rc8 27. Qe2
dxe4 28. fxe4 e5 29. Rcd1 Rc6 30. Qf2 Bg6 31. Rfe1 Nb5 32. Qe3 Nc7 33. b4 axb4
34. cxb4 Nb5 35. dxe5 Qxe5 36. Rd5 Qb2 37. Qb3 Qf6 38. Qc4 Nd6 39. Qd4 Qh4 40.
e5 *
Position (FEN): 6k1/p4pp1/2rn2bp/2NRP3/1P1Q3q/8/P5PP/4R1K1 b - - 0 40
Black to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 1189
Best move: Qxe1#