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Talk:Perpetual check - Wikipedia, the free encyclopedia

Talk:Perpetual check

From Wikipedia, the free encyclopedia

I must have lost a point somehere, but isn't the knight on g5 ? How can it jump to g4 ? Is there aomething wrong somewhere ? (if what's wrong is in my head, I'd be glad to know what... ^^;; )


someone changed the diagram [1] Arvindn 19:39, 14 Oct 2004 (UTC)


[edit] historical perpetual-check rule

I have been Googling for a while and haven't found anything saying that "perpetual check used to be in the laws of chess". The best I could find was a mention by Staunton that it is a special case of the threefold repetition rule (which is the same status perpetual check has now - a tactic, not an independent drawing method). However, I haven't found a citable source saying there was never such a rule (just a lot of forum posts). I don't discount that whoever said there used to be a perpetual-check rule might have had some basis for saying that, so I am asking for a source citation.JoeJust 21:49, 22 March 2007 (UTC)

Official Chess Rulebook by Kenneth Harkness, 1970, page 46, says

...commonly known as the draw "by repetition of moves." It includes perpetual check

but it doesn't specifically list perpetual check. However, the way it is worded seems to imply that there had been a perpetual check rule. I'll look for older rulebooks. Bubba73 (talk), 22:16, 22 March 2007 (UTC)

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