I'm not saying I want the rule to change, but I am curious as to the effects of changing it. I think changing the threefold repetition rule would have even more dramatic effects on theory than making stalemate a win. Certain draws that rely on opposition would become wins, for example. Perpetual check would no longer be a resource. Would this be enough to increase the rate of decisive games significantly? The recent AlphaZero study addressed changing the stalemate rule, which changed some theory but didn't decrease the draw rate much, but they didn't address this type of change.
a three fold repetition that can be continued ad infinitum would still be a draw. You would have to outlaw the 50 move rule as well. Then what do you tell players who play 1.Qg6+ Kh8 2. Qh6+ Kg8 3.Qg6+ forever? First one who falls asleep loses on time?
I think the idea is to forbid the move that would cause the threefold repetition: if it is your turn and you would like to repeat, you cannot (it would be an illegal move).
That would a more drastic change. (and I don't know if it would be a good one).
That would a more drastic change. (and I don't know if it would be a good one).
PepeMaster is correct. The idea is make it illegal to make a move that repeats the position a third time.
It sounds like the ko rule in go except with a delay. It would probably result in some interesting zugzwang positions...
why on earth would you want this change
Dude, the first sentence in the original post is "I'm not saying I want the rule to change". Come on dude.
It would create few rare tactical trick based on this.
Also it could create somethign like ko-fight in go. I.e players like wantong to repeat woudl make a threat somewhere else forcing a reply and then do locally repeating move. But as chess board is small and very connected this would be very very rare and would take place only for a short while.
It would have minimla impact on draws
Chinese chess forbids perpetual attacks which by and large make repeating position very rare.
Also it could create somethign like ko-fight in go. I.e players like wantong to repeat woudl make a threat somewhere else forcing a reply and then do locally repeating move. But as chess board is small and very connected this would be very very rare and would take place only for a short while.
It would have minimla impact on draws
Chinese chess forbids perpetual attacks which by and large make repeating position very rare.
Stratego forbids to repeat moves and this is a major tactic there.
Also in go the ko rule and in Chinese chess.
I guess it has more impact than play without stalemate.
Also in go the ko rule and in Chinese chess.
I guess it has more impact than play without stalemate.
Chess would be dead if you cannot repeat only-moves.
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