Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8.
Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Bg5 13. a4 bxa4 14. Rxa4 a5
15. h4 Bh6 16. g4 Bf4 17. Qf3 g5 18. hxg5 Bxg5 19. Nce3 Be6 20. Nf5 Bxf5 21.
gxf5 f6 22. Qh5 h6 23. Qg6+ Kh8 24. Bc4 Ra7 25. Ra2 Rg7 26. Qh5 Ne7 27. Ne3 Qb6
28. Ng4 Rh7 29. b3 Qc5 30. f3 d5 31. exd5 Nxd5 32. Bxd5 Qxd5 33. O-O Qc5+ 34.
Kh1 Qxc3 35. Ra3 Qd3 36. Qh3 Rb8 37. Nf2 Qc3 38. Ne4 Qe3 39. Rd1 Rhb7 40. Qg2
Rxb3 41. Rxb3 Qxb3 42. Qe2 Rg8 43. Rd7 Qb1+ 44. Rd1 Qb3 45. Rd7 a4 46. Nxg5
Rxg5 47. Rd8+ Rg8 48. Rd3 Qb6 49. Rd1 a3 50. Qd2 Qb2 *
Position (FEN): 6rk/8/5p1p/4pP2/8/p4P2/1q1Q4/3R3K w - - 2 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 828
Best move: Qxh6#