Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c6 3. e3 Qb6 4. Nd2 Qxb2 5. Ngf3 Nd7 6. Rb1 Qc3 7. Bd3 Ngf6 8.
O-O e6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Be7 12. Rb3 Qa5 13. Bd3 h6 14. Ne5 Bf6
15. Qe2 Nxe5 16. dxe5 Be7 17. c4 b6 18. Be4 Bb7 19. Rd1 Rd8 20. Rbd3 O-O 21. h3
Qa4 22. Rd7 Bc8 23. R7d6 Bxd6 24. exd6 f5 25. Bb1 Bd7 26. Be5 c5 27. f4 Bc6 28.
Kh2 Rd7 29. Rc1 Be4 30. Bxe4 fxe4 31. Qxe4 Qxa2 32. Rd1 Qf2 33. Rd3 Qh4 34. Rg3
Qh5 35. Rg4 Qf5 36. Qe3 Kh7 37. Qg3 Rff7 38. Qh4 a5 39. Rg5 Qe4 40. Qh5 a4 41.
Rg3 Ra7 42. Ra3 Rxf4 43. Rg3 Rff7 44. Ba1 a3 45. Qd1 a2 46. Qc1 Qb1 47. Qc3 Ra3
48. Rxg7+ Kh8 49. Rg8+ Kxg8 *
Position (FEN): 6k1/5r2/1p1Pp2p/2p5/2P5/r1Q4P/p5PK/Bq6 w - - 0 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1220
Best move: Qh8#