Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bf4 Nf6 8.
Bd3 Bg4 9. f3 Bd7 10. O-O g6 11. e5 dxe5 12. Bxe5 Bg7 13. Ne4 O-O 14. Nxf6+
exf6 15. Bd6 Re8 16. Bc4 a5 17. c3 Bf5 18. g4 Be6 19. Bxe6 Rxe6 20. Bc5 Qc7 21.
Qd4 Rae8 22. Bb6 Qb7 23. b3 f5 24. Qc5 Re2 25. Bxa5 fxg4 26. fxg4 Qb8 27. Rf2
R8e5 28. Qxc6 Rxf2 29. Kxf2 Rxa5 30. b4 Qxh2+ 31. Ke3 Qg3+ 32. Kd2 Qf4+ 33. Kc2
Qf2+ 34. Kb3 Re5 35. Qc8+ Bf8 36. Rd1 Kg7 37. Rd8 Be7 38. Rg8+ Kf6 39. Qc6+ Re6
40. Qc4 Qe1 *
Position (FEN): 6R1/4bp1p/4rkp1/8/1PQ3P1/1KP5/P7/4q3 w - - 20 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1110
Best move: Qf4#