Chess puzzle (Checkmate)
Opening: Hungarian_Opening, Hungarian_Opening_Reversed_Norwegian_Defense
Moves: 1. Nf3 e5 2. g3 e4 3. Nh4 g5 4. Ng2 d5 5. c3 Nc6 6. Qa4 Bd7 7. Qb3 Na5 8. Qxd5
b6 9. Qe5+ Qe7 10. Qxh8 Nf6 11. d3 O-O-O 12. Bxg5 exd3 13. Qxf6 d2+ 14. Kd1
Ba4+ 15. b3 Bxb3+ 16. axb3 Nxb3 17. Rxa7 Qe4 18. Bxd2 *
Position (FEN): 2kr1b2/R1p2p1p/1p3Q2/8/4q3/1nP3P1/3BPPNP/1N1K1B1R b - - 0 18
Black to move.
Themes: Hanging Piece Middlegame Mate in 1 
Puzzle rating: 916
Best move: Qxb1#