Main motif of this puzzle: Anastasia's mate
In Anastasia's mate, a rook or queen checkmates the king on the edge of the board. The square next to the king is blocked by its own piece, and the remaining escape squares are guarded by a knight.
Learn more in this guide.
The hint button is in beta test. We recommend to use the button only after you've thought about the puzzle for some time without finding any idea.
Read more about the hint button in this blog post.