K Factor?

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desseankittkatt

Hey All, I was wondering if the K factor(the max amount one can gain/lose per game) changes for ONL Blitz ratings as compared to classical ratings on uscf?

arnav2007

yeah if it says says P10 or stmh in from of ur blitz raitn for example, how muhc is the k factor. 

desseankittkatt

That's not what I meant lol, I meant that for example if I were a 2000 rated player otb, and then I beat two 2000s, would it be the same as being 2000 ONL Blitz and beating 2 2000s in terms of rating gained?

arnav2007

yeah?  why woudl it not be?

desseankittkatt

because it's onl blitz which generally takes far less time to play than otb?

arnav2007

So, how does matching time matter? It doesn't make you suddenly play a lot better or worse. A short break might help ur play a bit but nothing significant. Its also same for all people, so its still a similar playing field

desseankittkatt

Man you and I are talking abt two different things right now, but to clarify your question, it makes sense for blitz to have a lower k factor than classical because of how many games can be played in the same time as a classical game; ratings can vary a lot more if k factors are high in blitz and perhaps jump all around the place which might cause instability; it would make more sense to thus lower blitz k factor for more stability. 

desseankittkatt

And my question is directed towards A TD who might understand what I am talking about - thanks!

arnav2007

Oh i though you meant blitz OTB and blitz ONL. tongue.png

DavidMertz1

The rating system is described at http://www.glicko.net/ratings/rating.system.pdf . As far as I can tell, K factor will ordinarily be the same whether it's online, OTB, blitz, quick, or regular. The one special case is that dual-rated OTB events have reduced K factor for players rated over 2200.

spockmscs

The rating system is the same for all TCs. There is a change if you are to play other players multiple times in the same event such as a multigame match between you and one other player.

JCRchess

I do hope the Admins of our group will also share some info. and opinions on the current Online Rating system, as they do seem to be extra strict, numerically.  Not looking for an argument here, mind you, but some more healthy discussion would be terrific !