Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. Nxc3 Qe7 7. Qd3 d6 8.
Bd2 Bg4 9. Nd5 Bxd2+ 10. Nxd2 Qd7 11. O-O Nge7 12. Nxe7 Qxe7 13. Qg3 Be6 14.
Qxg7 O-O-O 15. Bxe6+ Qxe6 16. Qg3 Rhg8 17. Qf3 Ne5 18. Qe3 Ng4 19. Qxa7 Nxh2
20. Kxh2 Rxg2+ 21. Kxg2 Qg4+ 22. Kh2 Qh4+ 23. Kg1 *
Position (FEN): 2kr4/Qpp2p1p/3p4/8/4P2q/8/PP1N1P2/R4RK1 b - - 4 23
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1453
Best move: Rg8#