Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Qd2 e5 8. d5 Ne7
9. g4 Nd7 10. Bd3 Nc5 11. Bc2 a5 12. h4 f5 13. gxf5 gxf5 14. Bh6 fxe4 15. fxe4
Ng6 16. Bxg7 Kxg7 17. O-O-O Qf6 18. h5 Nf4 19. Nge2 Kh8 20. Rdg1 Nxe2+ 21. Qxe2
Qf4+ 22. Kb1 Bd7 23. h6 Rg8 24. Rf1 Qg5 25. a3 a4 26. Rh5 Qg2 27. Rf2 Qg1+ 28.
Ka2 Raf8 29. Rhh2 Rxf2 30. Rxf2 Qg6 31. Rh2 Qg4 32. Qe1 Rg6 33. Bd1 Qg5 34. Rh5
Qf6 35. Qh1 Bg4 36. Bxg4 Rxg4 37. Rf5 Qe7 38. Qh5 Rg8 39. Rf7 Qg5 40. Qh3 Qg4
41. Qf1 Qg6 42. Rf6 Qg2 43. Qf5 Nd3 44. Rf8 *
Position (FEN): 5Rrk/1pp4p/3p3P/3PpQ2/p1P1P3/P1Nn4/KP4q1/8 b - - 15 44
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1208
Best move: Qxb2#