The Citadel Rule: Why It Exists and How to Use It

You've probably noticed the two gold/silver circles jutting out beyond the normal 11×10 grid, one on each side of the board. Those are the citadels — one of the most distinctive rules in Timuria, taken straight from historical sources, and something classical chess simply doesn't have.

How Does It Work?

The rule is simple but has a big impact: none of your own pieces, not even your own King, may ever enter your citadel. Only the opposing King may enter it — and the instant it does, the game ends in an immediate draw. No other piece, on either side, may ever set foot on a citadel square; it's open exclusively to the "visiting" King.

Why Does This Rule Exist?

According to historical sources, the large chess variants played in Timur's era featured a citadel as a symbol of neutral ground where a besieged King could retreat — a ruler seeking refuge on enemy soil, not winning, but at least surviving. It's the closest historical equivalent to the modern idea of a "draw," but far more visual and strategic.

What Does It Mean Strategically?

• A danger for the winning side: When you're closing in on checkmate, don't forget to cut off your opponent's King's escape route to the citadel — otherwise your whole advantage can evaporate into a draw.
• A lifeline for the losing side: When you're behind on material, the most realistic way to turn a losing game into a draw is usually maneuvering your King toward the citadel.
• Controlling the path in the middlegame: Experienced players often try to block the opposing King's path to the citadel early, much like controlling the center.

A Common Mistake

Beginners often assume reaching the citadel is a way to win — it isn't. A King that reaches the citadel only secures a draw. If you're in a winning position, treat the citadel as a threat to neutralize; if you're losing, treat it as an escape route to aim for.