Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e3 O-O 6. Bd3 Nc6 7. O-O h6 8. a3 e5
9. d5 Ne7 10. e4 Kh7 11. h3 Nfg8 12. Be3 f5 13. exf5 gxf5 14. Nh2 Ng6 15. f3
Nf6 16. Bf2 a6 17. Qc2 Nh5 18. Ne2 Kh8 19. g4 Nhf4 20. Nxf4 Nxf4 21. Bxf5 Nxh3+
22. Kh1 Qg5 23. Be4 Nf4 24. Bg3 h5 25. Bxf4 Rxf4 26. gxh5 Qxh5 27. Rg1 Bh6 28.
Rg3 Rh4 29. Rag1 Bf4 *
Position (FEN): r1b4k/1pp5/p2p4/3Pp2q/2P1Bb1r/P4PR1/1PQ4N/6RK w - - 6 30
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 523
Best move: Rg8#