Chess puzzle (Checkmate)
Moves: 1. g3 d5 2. Bg2 e5 3. d3 f5 4. b3 Nf6 5. Bb2 Bb4+ 6. c3 Bd6 7. Nd2 O-O 8. e3
Qe7 9. Ne2 e4 10. d4 a5 11. O-O Kh8 12. c4 c6 13. c5 Bc7 14. h4 Ng4 15. Nf4 Na6
16. a3 Bb8 17. Re1 Nc7 18. b4 Ne6 19. Qe2 Rf6 20. b5 Rh6 21. Nf1 Nf8 22. b6 g5
23. hxg5 Qxg5 24. Bc3 Ne6 25. a4 Nxf4 26. exf4 Qh5 27. f3 Nh2 28. Kf2 Nxf1 29.
Rxf1 Re6 30. Rh1 Qg6 31. Rae1 e3+ 32. Kg1 Qxg3 33. Rh3 Qxf4 34. Qd3 Qg5 35. Re2
Bg3 36. Be1 Bxe1 37. Rxe1 f4 *
Position (FEN): r1b4k/1p5p/1Pp1r3/p1Pp2q1/P2P1p2/3QpP1R/6B1/4R1K1 w - - 0 38
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 814
Best move: Qxh7#