Chess puzzle (Checkmate)
Opening: Grob_Opening, Grob_Opening_Other_variations
Moves: 1. g4 e6 2. Bg2 d5 3. d3 Nd7 4. g5 Nb6 5. f4 Bd7 6. Nf3 Bd6 7. e4 dxe4 8. dxe4
Qe7 9. Be3 Bc5 10. Qe2 O-O-O 11. Nbd2 h6 12. Nd4 hxg5 13. fxg5 g6 14. Qf3 f5
15. exf5 exf5 *
Position (FEN): 2kr2nr/pppbq3/1n4p1/2b2pP1/3N4/4BQ2/PPPN2BP/R3K2R w KQ - 0 16
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 706
Best move: Qxb7#