| General Chess Discussion - Most common puzzle mistakes?#5 @SimonBirch said in #4: > I guess outta everyone who failed to solve a puzzle ,50 percent of players would make the first wrong move 35 percent would make the second wrong first move and 15 would make… | NDpatzer  |
| General Chess Discussion - Most common puzzle mistakes?#3 @SimonBirch said in #2: > I kinda asked this question a year or so ago and it kinda works out most puzzles are solved 50% of the time by everyone,so whatever mistake you made around 50% would have mad… | NDpatzer |
| General Chess Discussion - Most common puzzle mistakes?#1 Does anyone know if there are databases (either via Lichess or elsewhere) of the most common wrong moves players make in puzzle positions? Not sure if this is recoverable with the Lichess API and I do… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#45 @Toadofsky said in #44: > Other tests have been conducted (some involving humans, some involving engines which could be parameterized, and which humans could opt to play against): www.chessprogramming… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#43 @RaisinBranCrunch said in #42: > When you rate the effectiveness of a test based on how well it correlates to ELO, aren't you conceding that ELO is by default a better measure than whatever it's being… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#40 @sandals said in #38: > @NDpatzer, you could do a regression of Elo with respect to ACT scores, for example. (They did do that, as you wrote in your post, except it seems like they regressed on the fa… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#36 @sandals said in #35: > @NDpatzer , you say there are ways to check for robustness and make the parameter choices in a principled way. Maybe, but if so, psychometricians don't do it. I just check the … | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#34 @tackyshrimp said in #33: > Do you happen to know if the data they had was made public? I recently took an IRT class and am curious if I could do some IRT-specific things with the data. > > As for the… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#31 @sandals said in #30: > Factor analysis is mostly fake. In this particular case, your 4 factors depend heavily on (a) the arbitrary choice of deciding to fit 4 factors (rather than 3 or 5), and (b) th… | NDpatzer |
| Community Blog Discussions - Science of Chess: A g-factor for chess? A psychometric scale for playing ability#28 @olokololokooko said in #23: > This article is as much scientific as my grandma's Facebook status updates. Hm - this depends heavily on what your Grandma posts to facebook, so I don't know how to inte… | NDpatzer |
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