Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Be2 c5 6. O-O Nc6 7. c3 Bg4 8. Re1
Be7 9. Be3 O-O 10. dxc5 a5 11. Na3 Ne4 12. Nd4 Bxe2 13. Rxe2 Bxc5 14. Nxc6 bxc6
15. Bxc5 Nxc5 16. Nc2 Qf6 17. Nd4 Rfe8 18. Qc2 Ne4 19. Rae1 a4 20. f3 Nd6 21.
Nxc6 g6 22. Nd4 Rxe2 23. Rxe2 Nc4 24. Qc1 Rb8 25. b3 axb3 26. axb3 Na5 27. b4
Nc4 28. Qe1 Kg7 29. Re7 Rb6 30. Re2 h5 31. Qf2 Na3 32. Qe3 Nc4 33. Qe7 Qf4 34.
Ne6+ Rxe6 35. Rxe6 Qc1+ 36. Re1 Qxc3 37. b5 d4 38. Rd1 Ne3 39. Qe5+ Kf8 40.
Rxd4 *
Position (FEN): 5k2/5p2/6p1/1P2Q2p/3R4/2q1nP2/6PP/6K1 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1180
Best move: Qe1#