Chess puzzle (Checkmate)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 c5 2. e3 d5 3. c3 c4 4. d4 Nf6 5. Nf3 e6 6. b3 b5 7. bxc4 bxc4 8. Nbd2
Be7 9. Ne5 O-O 10. g4 Ne4 11. g5 f6 12. gxf6 Bxf6 13. Bg2 Bh4+ 14. Kf1 Nxc3 15.
Qg4 Bd7 16. Ba3 Be7 17. Bb2 Nb5 18. Rg1 c3 19. Bxd5 exd5 *
Position (FEN): rn1q1rk1/p2bb1pp/8/1n1pN3/3P1PQ1/2p1P3/PB1N3P/R4KR1 w - - 0 20
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1175
Best move: Qxg7#