I believe historically analog clocks were set up so the first time control ended at 6:00.
Analog Chess Clock Conventions - Six o' Clock Position
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Jun 19, 2022
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#3
I broke out the USCF's Official Rules of Chess 4th Edition from 1993. Rule 16B provided, "Mechanical clocks should be set so that each unit will register six o'clock when the first time-control period expires."
I could not find a comparable rule in FIDE's Laws of Chess adopted in 1992.
Jun 19, 2022
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#4
Thank you for looking into it @Atomic_Checkmate. As to the first time control, how were multiple time controls treated? Did they manually wind back the clocks after time control was reached so that the remaining game would end at six o' clock? Or did they let it keep ticking?
Jun 19, 2022
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#5
It just kept on ticking. Later time controls would be in at least one hour increments.
Jun 19, 2022
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#6
Atomic_Checkmate wrote:
It just kept on ticking. Later time controls would be in at least one hour increments.
Thank you!
Jun 20, 2022
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#7
Also, keep in mind that adjournments were a thing back before computers became strong enough to assist with endgame analysis. If there was an amendment, the clocks would be stopped when the game adjourned. I’m assuming be clicks were set up for the resumption with the players’ respective times sweet back up.
To my recent understanding, the convention when using analog chess clocks is for the game to end at the six o' clock time. Has this always been the case? Specifically, did the Soviet players set up their clocks to end at this time?
I have started looking at older photos and film footage; if the convention has been pretty consistent historically, then it would be cool to be able to know the time remaining on the players' clocks.