Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. Bf4 d5 3. e3 Bf5 4. Bd3 Bg6 5. Bxg6 hxg6 6. Nf3 Nd7 7. c3 f6 8. Qd3
f5 9. Nbd2 Ngf6 10. Ne5 Nxe5 11. Bxe5 e6 12. Nf3 Bd6 13. O-O-O Qc7 14. g4 Nxg4
15. Bxg7 Nxf2 16. Qe2 Nxd1 17. Bxh8 Nxc3 18. bxc3 Ba3+ 19. Kc2 Qb6 20. Rb1 Qc7
21. Be5 Qh7 22. Rb3 Bf8 23. Ng5 Qe7 24. Bf4 Bh6 25. h4 O-O-O 26. Kb2 Rh8 27. c4
Bg7 28. cxd5 exd5 29. Qf3 Rxh4 30. Rc3 Bh6 31. Nh3 Bxf4 32. Nxf4 Rh2+ 33. Kb3
a5 34. Qxd5 *
Position (FEN): 2k5/1p2q3/2p3p1/p2Q1p2/3P1N2/1KR1P3/P6r/8 b - - 0 34
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 846
Best move: Qb4#