Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. dxc5 Bxc5 7. Be2 Nge7 8.
Bg5 f6 9. Bh4 Be6 10. Nbd2 O-O 11. Nb3 Bb6 12. Nbd4 Nxd4 13. Nxd4 Bf7 14. Bg4
Nc6 15. Nf5 Re8+ 16. Be2 d4 17. cxd4 Bc4 18. O-O Bxe2 19. Qb3+ Kh8 20. Rfe1
Nxd4 21. Nxd4 Qxd4 22. Bg3 Bc4 23. Rxe8+ Rxe8 24. Qa4 Re2 25. Rd1 Qe4 26. h3
Re1+ 27. Kh2 Rxd1 28. Qxd1 h6 29. b3 Ba6 30. Qd7 Kh7 31. a3 Bd4 32. b4 Be5 33.
b5 Bxg3+ 34. fxg3 Bxb5 35. Qxb5 Qc6 36. Qd3+ g6 37. Qd4 a6 38. Qd8 h5 39. Qe7+
Kh6 40. Qf8+ Kg5 41. Qb4 Qd5 *
Position (FEN): 8/1p6/p4pp1/3q2kp/1Q6/P5PP/6PK/8 w - - 6 42
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1437
Best move: Qf4#