Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 f5 4. exf5 exf5 5. Nf3 Nf6 6. Bd3 Bd6 7. Ne2 O-O 8.
O-O c6 9. Bf4 Be7 10. Ne5 Ne4 11. f3 Nd6 12. c3 g5 13. Bg3 f4 14. Bf2 Bf5 15.
Qc2 Nd7 16. Rae1 Bxd3 17. Qxd3 Nxe5 18. dxe5 Nf5 19. Nd4 Ng7 20. e6 Qd6 21. Re2
Rf6 22. Rfe1 a6 23. b4 h5 24. Re5 g4 25. Bh4 Rh6 26. Bxe7 Qxe7 27. fxg4 hxg4
28. g3 fxg3 29. Qxg3 Rg6 30. Nf5 Nxf5 31. Rxf5 Re8 32. Rf7 Qg5 33. Re5 Qc1+ 34.
Rf1 Qd2 35. e7 d4 36. Ref5 Rxe7 37. Rf8+ Kg7 38. Qh4 Qe3+ 39. R1f2 Qh6 *
Position (FEN): 5R2/1p2r1k1/p1p3rq/8/1P1p2pQ/2P5/P4R1P/6K1 w - - 6 40
White to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 1226
Best move: Qxe7#