Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e3 c5 6. Nge2 Nc6 7. d4 cxd4 8.
exd4 d6 9. O-O a6 10. b3 Rb8 11. Bb2 Qc7 12. Rc1 Bf5 13. Qd2 Nb4 14. Nf4 Bh6
15. Nb5 axb5 16. Qxb4 bxc4 17. Rxc4 Qd7 18. d5 Bxf4 19. Rxf4 Bh3 20. Rxf6 Bxg2
21. Qd4 Bxf1 22. Rxg6+ fxg6 *
Position (FEN): 1r3rk1/1p1qp2p/3p2p1/3P4/3Q4/1P4P1/PB3P1P/5bK1 w - - 0 23
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1156
Best move: Qg7#