Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. c3 a6 5. a4 d5 6. exd5 exd5 7. Ba2 Nf6 8. d3
Be7 9. O-O O-O 10. h3 Be6 11. Bg5 h6 12. Bh4 b5 13. Nbd2 b4 14. c4 d4 15. Bxf6
Bxf6 16. Ne4 Be7 17. Bb1 f5 18. Ng3 f4 19. Ne4 Bf5 20. Nfd2 Qe8 21. Re1 Qg6 22.
Qf3 Ne5 23. Qxf4 Bxh3 24. Qh2 Bh4 25. Qxh3 Rf4 26. Re2 Raf8 27. g3 Bxg3 28.
fxg3 h5 29. Kh2 Ng4+ 30. Kh1 R4f7 31. Bc2 Rf2 32. Nxf2 Rxf2 33. Rae1 Qf5 34.
Ne4 Qf3+ 35. Kg1 Rxe2 36. Rxe2 Qxe2 37. Qxh5 Qe3+ 38. Kh1 Qe1+ 39. Kg2 Ne3+ 40.
Kh3 *
Position (FEN): 6k1/6p1/p7/2p4Q/PpPpN3/3Pn1PK/1PB5/4q3 b - - 6 40
Black to move.
Themes:  Endgame Anastasia's Mate, Mate in 1 
Puzzle rating: 938
Best move: Qh1#