user25593: On an empty board, how can you place a White king, two White, rooks, and a Black king so that White can give mate in 4 ways from that position?

user15478: [FEN "8/8/8/8/8/8/2R5/k3K2R w K - 0 1"]

From this position, Kd2 Ke2 Kf2 and O-O deliver checkmate

25593: <p>On an empty board, how can you place a White king, two White, rooks, and a Black king so that White can give mate in 4 ways from that position?</p>
 15478: <pre><code>[FEN &quot;8/8/8/8/8/8/2R5/k3K2R w K - 0 1&quot;]
</code></pre>
<p>From this position, Kd2 Ke2 Kf2 and O-O deliver checkmate</p>
