Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bf4 Nh5 6. Bg5 h6 7. Bh4 g5 8. Bg3
Nxg3 9. hxg3 Bg4 10. Be2 Nc6 11. Qd2 Bxf3 12. Bxf3 Nxd4 13. O-O-O Nxf3 14. gxf3
Qd7 15. f4 g4 16. Qe2 h5 17. f5 Bxc3 18. bxc3 O-O-O 19. Kd2 f6 20. Rb1 b6 21.
Qa6+ Kb8 22. a4 e6 23. a5 exf5 24. axb6 cxb6 25. Ra1 fxe4 26. Rhb1 Rh7 27.
Rxb6+ axb6 28. Qa8+ Kc7 *
Position (FEN): Q2r4/2kq3r/1p1p1p2/7p/4p1p1/2P3P1/2PK1P2/R7 w - - 2 29
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1206
Best move: Ra7#