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Elo Explained & Examples (in Excel)

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Welcome to my brief explanation of the Elo system's history and mathematics!
I did a video on this for my old Discord server's channel a year or so ago, but upon further review I didn't go into as much depth as I feel this topic deserves and furthermore I did not get some facts right. This video goes into a bit more depth and provides a little history on the Elo system.
Comment below your thoughts!

Опубликовано:

24 авг 2024

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Комментарии : 4

@Funnycide1 Год назад

Very interesting

@FlibJib Год назад

I think your USCF rating calculation might be incorrect? I believe the formula is: Performance Rating (PR) = (Ri + Σ(Rop) + 400 * (S - (N/2))) / (N) Where: Σ(Rop) is the sum of the ratings of all opponents faced in the tournament. N is the total number of games played in the tournament. (Ri) Is the player's initial rating before the tournament. (Rop) Is the ratings of the opponents faced in each game. (S) is the player's score in the tournament (usually measured in points out of the total possible points).

@kesler4195 Год назад

I haven't seen that exact formula anywhere, it may work out to be the same result though. However I don't see any performance ratings that incorporate a player's initial rating (as performance rating is isolated to the individual tournament/event). According to the below website in section H you can see the formula, where Ra is avg opponents' rating. www.mark-weeks.com/aboutcom/aa04l04.htm