Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Ng4 7. Qd2 Nxe3 8.
fxe3 g6 9. O-O-O Bg7 10. h3 O-O 11. g4 Bd7 12. Be2 Rc8 13. Kb1 a6 14. g5 b5 15.
h4 Ne5 16. Rdg1 h5 17. gxh6 Bxh6 18. Nf5 Bxf5 19. exf5 e6 20. fxg6 fxg6 21. Bd3
Rxc3 22. Bxg6 Rxe3 23. Bd3+ Kh8 24. Qd1 Nxd3 25. cxd3 Re5 26. Rg6 Rf6 27. Qg4
Kh7 28. Rg1 Re1+ 29. Rxe1 Rxg6 30. Qe4 Kg7 31. Qb7+ Kh8 32. h5 Rg5 33. Rc1 Qf6
34. Rc8+ Bf8 35. Qb8 Kg7 36. Rc7+ Kh6 37. Rc8 Qf2 38. a3 Rg1+ 39. Ka2 Rg2 40.
Rxf8 *
Position (FEN): 1Q3R2/8/p2pp2k/1p5P/8/P2P4/KP3qr1/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 755
Best move: Qxb2#