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Freakonomics: Why Isn’t Backgammon More Popular?

Posted By: Henrik Bukkjaer
Date: Tuesday, 21 December 2010, at 12:05 p.m.

In Response To: Freakonomics: Why Isn’t Backgammon More Popular? (Rich Munitz)

With your new USBGF initiative, it would also be your rating system some time in the future. Just like the DBgF :-)

You simply put rating (and experience) limits to the different flights, always allowing people to enter above their level, but barring better rated players from lower flights, if their experience total is above a certain level.

BTW: Do I recall correctly, that you were going to use the good old FIBS rating accelerator? (*4 -> *1 over the first 400 exp)? If so I really wonder why you'd do that, I'm almost certain that it will mess up much more than you will gain from it. Especially if you want to use the rating to set restrictions on flights sometime in the future. There's a big difference between the strength distribution at live tournaments vs. the FIBS online community, which makes the accelerator more needed online, and more like a noise generator at live tournaments. If you want to differentiate, then start people off on different ratings, depending on the flights they buy into.

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I was part of a work-group in the DBgF which looked at our rating system, to see if we could improve it. We did a lot of simulations (on our huge match archive). I think the accelerator was found to have negative impact. We had a lot of ideas about improvements, but we never came up with something substantially better than status quo. The group consistent of several people with great experience in both BG, math and IT, including Peter Hallberg (former World Champ) and Kim Lethan (the current database manager for DBgF ratings, running all the simulations). You could contact me if you have ideas or doubts about the USBGF rating system that you would like to get tested or discussed with this group - maybe I can even convince Kim on running a few simulations on our data, if you have some parameters that you think could be adjusted for better results.

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