Hickup in rankings

Fragment of a discussion from Talk:LiteRumble
← Thread:Talk:LiteRumble/Hickup in rankings/reply (12)

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It looks like the problem is more serious this time.

Have a look at this bot, a lot of pairings are last battled in 2020, and a lot of pairings have only 1 battle, meaning that some data isn’t recovered. http://literumble.appspot.com/BotDetails?game=roborumble&name=nz.jdc.nano.NeophytePattern%201.1&order=-Battles

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Rankings in roborumble, minirumble and nanorumble are stable again, microrumble was stable from the beginning. But as Xor indicated, a lot of pairings have only 1 battle. Sometimes even 1 battle from 2 years ago. Is there something we can do to retrieve the lost battles, or should we continue with the current situation.

Return to Thread:Talk:LiteRumble/Hickup in rankings/reply (13).

Think again, there may not be data loss. For each pairing to have 1 battle, we need 500000 battles, which takes contiguous running of a few months. It's not surprising that it takes 2 years for a round.

Most of the 1 battle pairings are from 2022.3.23 (or 2020.10, didn't remember that though), the exact time the last hiccup happened. This strongly indicates that the data loss happens when a battle is fought for a missing pairing.

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