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Vertical castling

@Molurus said in #1:
> Just dumping this here as a fascinating chess curiosity.
>
> It's amazing how the solution to this problem was actually legal until the 1970s.
>
> www.futilitycloset.com/2009/12/11/outside-the-box/

You have sent me into a time-warp. I had my 15mins of fame chess-wise when I was 11-15yrs old. I was born in 1945...you can do the math. The castling rule, as I recall, never defined how far the rook could shift...only that it must be placed adjacent to the King, which had to shift first, and on the opposite side from it's origin. You always came to an agreement with your opponent about castling exactitude. Generally, you picked up both pieces at the same time, to save time and minimise accidental tipping of other pieces. You would usually agree to say "castling" so you could do it however you wanted. We also agreed to either "set-piece" opening game position, or "fire at will" opening strategy. Those were the days, my friend...
It has always been coming in news and I first saw it in 2018. Nothing special just loophole found from old rule of FIDE over castling.

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