Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 f6 3. e3 Nc6 4. c3 e5 5. dxe5 fxe5 6. Bg3 Nf6 7. Bb5 Bd7 8.
Bxc6 Bxc6 9. Bxe5 Bd6 10. Bd4 Qe7 11. Nd2 O-O-O 12. Ngf3 Ne4 13. Nxe4 dxe4 14.
Nd2 Rhf8 15. Rf1 Bxh2 16. g3 Qf7 17. Qg4+ Bd7 18. Qxe4 g5 19. O-O-O Rde8 20.
Qg2 Qxa2 21. Qxh2 Qa1+ 22. Nb1 Bf5 23. Kd2 Qxb2+ 24. Ke1 Bxb1 25. Qh3+ Bf5 26.
g4 Bd3 27. Rxd3 Rf7 28. Rd2 Qb1+ 29. Ke2 Qe4 30. Qh1 Rxf2+ 31. Kd1 *
Position (FEN): 2k1r3/ppp4p/8/6p1/3Bq1P1/2P1P3/3R1r2/3K1R1Q b - - 1 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1214
Best move: Qb1#