Ment
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I don't know how suitable it is, but for example, like this: link
Or like this: Link
Everything is at the bottom of the page.
Perhaps, for SV, we can come up with something simpler, for example, not calculate the rating after each game, but somehow cumulatively (after all five matches, for example). But it should reflect:
1) the importance of winning against a "stronger" opponent and the less significant importance of losing.
2) the relevance of the tournament. It doesn't necessarily have to be taken into account explicitly, but it would be good if the latest tournaments had a greater impact on the rating.
3) regular participation > relatively small number of defeats.
However, considering that everything here is purely fan-based, maybe we should just forget about these complications, hehe.