Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c4 O-O 5. Nc3 d6 6. Bd3 Nh5 7. Bg3 Nc6 8. a3
e5 9. d5 Ne7 10. e4 f5 11. f3 Nxg3 12. hxg3 f4 13. g4 Bd7 14. Qd2 Rf7 15. Nge2
a6 16. O-O-O b5 17. cxb5 axb5 18. Bxb5 Bxb5 19. Nxb5 Bf8 20. g3 Qb8 21. Nbc3
Nc8 22. gxf4 exf4 23. Nxf4 Nb6 24. Ne6 Nc4 25. Qh2 Qb3 26. Rd4 Rb8 27. Rxc4
Qxc4 28. Ng5 Rg7 29. Nxh7 Qd4 30. f4 Qe3+ 31. Kc2 Kf7 32. Ng5+ Ke8 33. Ne6 Rf7
34. f5 Bh6 35. Qxh6 Qf2+ 36. Kb1 *
Position (FEN): 1r2k3/2p2r2/3pN1pQ/3P1P2/4P1P1/P1N5/1P3q2/1K5R b - - 2 36
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 843
Best move: Qxb2#