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@Brian-E : Dr. Keagan work is far from being perfect. We should probably stop considering him the undisputed authority on the matter, 'cause he clearly isn't and, secondly, serious scholarship should …

The road to wisdom?—Well, it's plain and simple to express: Err and err and err again, but less and less and less...

All good and dandy, but we'd like to see a proper balance sheet.

I find it rather appalling that the person after whom the rating system is named should be saying "[...] we are 95% confident [...]" while referring to the confidence interval around the average ratin…

Faux-pas extraordinaire, by FIDE. I hope they’ll reconsider.

@Toadofsky very interesting chart! I wonder which method was used to determine the average temperature of the Earth thousands of years ago. Are the values based on some sort of physical model of the c…

As an alternative, a clock could be added to the Puzzle Streak mode (initially set to zero and started after the first move), so that users can have an idea of how many puzzles they manage to solve in…

OTB and online chess are clearly very different animals. We are all familiar with some of the peculiarities of online chess: no illegal moves, pieces perfectly centered on their squares, no "j'adoube"…

Disclaimer: I might be missing some subtle point here... I think nobody should be able to see someone else's password. Admins and/or team leaders should be able to reset (or ask team members to reset)…

Because every titled player can start from the rating he holds at the moment of subscription.