Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bf4 Bd6 4. e3 O-O 5. Bg5 b6 6. Bd3 Bb7 7. Nbd2 c5 8. c3
Nc6 9. Qe2 Be7 10. O-O-O Nd5 11. Bxe7 Qxe7 12. h4 cxd4 13. exd4 Nf4 14. Qe3
Nxd3+ 15. Qxd3 Rac8 16. Kb1 d6 17. Rh3 f5 18. Re1 Nb8 19. Ng5 e5 20. dxe5 dxe5
21. Rhe3 e4 22. Qb5 Nd7 23. f3 Nc5 24. fxe4 Ba6 25. Qb4 f4 26. Rh3 Rcd8 27. Nb3
Qe5 28. Nxc5 bxc5 29. Qb3+ c4 30. Qa3 Bb7 31. Qxa7 Rd7 32. Qa4 Rd2 33. Qxc4+
Kh8 34. Nf7+ Rxf7 35. Qxf7 Bxe4+ 36. Ka1 Qb8 37. Rf3 *
Position (FEN): 1q5k/5Qpp/8/8/4bp1P/2P2R2/PP1r2P1/K3R3 b - - 3 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 999
Best move: Qxb2#