Chess puzzle (Checkmate)
Opening: Mieses_Opening, Mieses_Opening_Reversed_Rat
Moves: 1. d3 e5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 d5 5. O-O h6 6. Nbd2 Be6 7. e4 Be7 8. exd5
Nxd5 9. Re1 f6 10. Nc4 Qd7 11. c3 O-O-O 12. Qc2 Kb8 13. b4 Ndxb4 14. cxb4 Nxb4
15. Qc3 Qxd3 16. Qb2 Qxc4 17. Nd2 Qd4 18. Qb1 Nc2 *
Position (FEN): 1k1r3r/ppp1b1p1/4bp1p/4p3/3q4/6P1/P1nN1PBP/RQB1R1K1 w - - 4 19
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1272
Best move: Qxb7#