The Chess Variant Pages



This page is written by the game's inventor, Zim .

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Robert Price wrote on 2010-12-13 UTCGood ★★★★
Since a properly-functioning SIR unit is colorbound, I am guessing that the author intends that a SIR unit is 'Berzerk' if and only if there is no friendly Invader (bishop) on the board occupying the same color of square. If this is the intention of the rule, then phrasing it this way handles situations that can arise after promotions.

I can think of three ways to restore a Berzerk SIR unit to normal operation:

  1. You move your Berzerk SIR unit moves to a square of the opposite color, and under the command of your remaining Invader
  2. You promote an Irken Soldier to Invader on a same-colored square
  3. You are playing Invader Zim Bughouse (!) and you drop an Invader onto a same-colored square

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