Chess puzzle (Checkmate)
Moves: 1. b3 e5 2. c4 Nc6 3. Bb2 d6 4. e3 f5 5. Nf3 Nf6 6. d4 e4 7. d5 exf3 8. dxc6
fxg2 9. Bxg2 b6 10. Nc3 Be7 11. Nd5 Nxd5 12. Bxd5 Bf6 13. Qd2 Qe7 14. O-O-O Be6
15. Rhe1 a5 16. e4 f4 17. e5 dxe5 18. Bxe5 O-O-O 19. Bxf6 Qxf6 20. Rxe6 Qa1+
21. Kc2 Qxa2+ 22. Kc3 Qa3 23. Qb2 Qc5 24. Re2 Kb8 25. Kc2 g5 26. Kb1 Rhe8 27.
Rde1 Rxe2 28. Qxe2 Qb4 29. Kc2 a4 30. Rb1 a3 31. Qd2 Qc5 32. b4 Qf8 33. Kb3 g4
34. Qa2 Qf5 35. Qxa3 Qxb1+ 36. Kc3 Qe1+ 37. Kb3 Qd1+ 38. Kc3 Rxd5 39. cxd5 Qe1+
40. Kc4 Qe2+ 41. Kd4 Qd2+ 42. Kc4 Qc2+ 43. Kd4 g3 44. Qa6 Qxf2+ 45. Ke5 Qb2+
46. Kf5 Qc2+ 47. Kxf4 Qf2+ 48. Kg4 h5+ 49. Kh3 *
Position (FEN): 1k6/2p5/QpP5/3P3p/1P6/6pK/5q1P/8 b - - 1 49
Black to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1068
Best move: Qxh2#