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Questions about game statistics, e.g. the winning percentage of a "line," the probability of some event occurring in a game, or player statistics.

5 votes

Percentage of kids that "stay"

The best indication I can come up with is: how many kids playing rated tournament chess are still playing rated tournament chess 10 or 20 years later? Out of 145 players in a junior USCF tournament I …
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5 votes

What is the average number of moves in a chess game where white wins? And the average number...

I used my SCID "Example" database (which has about 127K games, mostly consisting of GM games from 2000-2016) and ran the Opening Report on the initial position to get game stats. According to the repo …
D M's user avatar
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1 vote

Is my low blitz game drawing rate at www.chess.com an indicator that I am weak in chess?

Is my low blitz drawing rate an indicator that I am a relatively weaker player "Relatively" compared to the 2009 World Blitz Championship players? Well, probably, but who isn't? I think your rat …
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10 votes

What merit is there to the so-called "Swiss gambit?"

I tried writing a crude pairings/results simulator, to see whether taking a bye could increase a top player's score. When generating pairings, the program ignored pairing history and color (which I r …
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8 votes

Are there any papers that highlight the problems with rating systems?

It's a bit old, but this paper from 1995 by Mark Glickman (creator of the Glicko rating system) discusses some of the rating systems in use at the time, including the ones used by the USCF, FIDE, and …
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3 votes
Accepted

What is the average speed in tournaments for USFC rapid chess ratings?

But in practice what is the average encountered in all or most tournaments? Or even a distribution for high endish , low endish, middling value? And which of those is prevalent? This page will le …
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2 votes
Accepted

Is armageddon more fair in a Vickrey auction?

No, it's not more fair, and doesn't prevent trying to guess what the other person bid. Unlike most auctions, in armageddon you care about what price your opponent pays even if you lose the bid. The tw …
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