Is it time for a chess checkup?
A plain-English introduction to ChessCheckup.com, a principles-first chess habit check for beginner and intermediate players, powered by the Elo+Chess reporting engine.
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Cercetare
Note de cercetare privind analiza de șah, mapările de rating, construcția benchmark-urilor și metodele de îmbunătățire bazate pe date utilizate de Elo+Chess.
Construirea de curbe de referință Lichess stratificate pentru Elo+Chess
O notă de metodologie care explică modul în care Elo+Chess construiește curbe de referință stratificate Lichess, ținte percentile din istoricul jucătorului și grafice ale rapoartelor de producție din mostre mari de stare de mișcare și de joc de jucător.
Citiți hârtieEstimarea evaluărilor de șah pe mai multe platforme cu regresie modală
O notă de metode care descrie studiul de cartografiere a evaluării Elo+Chess pentru același nume de utilizator, motivația de potrivire modală, criteriile de filtrare și estimările actuale de conversie Lichess în Chess.com, în funcție de tipul de joc.
Citiți hârtieA Very Large Scale Study of the Halloween Gambit
A Lichess.org study of the Halloween Gambit's frequency, practical success, played-versus-declined outcomes, and opening clock impact from January 2025 through May 2026.
Read articleWho let the cows out?
A Lichess.org study of tucked Cow setups, single-cow redeployments, and the full b/g-file knight shuffle from January 2025 through May 2026.
Read articleYour Chess Teacher Was Right: We Analyzed 1.3 Billion Games To Prove It
A public Medium article sharing Elo+Chess research observations and charts for a wider chess audience.
Read on MediumDoes Bullet and Blitz Hurt 10min Rapid Improvement on Lichess.org?
An observational Lichess.org study of more than one billion public games testing whether 1min bullet and 3min blitz volume is associated with slower 10min rapid improvement for beginner and club-level players.
Read articleDo Beginners Resign Too Early?
A low-key research note on Lichess 10+0 rapid resignation-like endings. In this dataset, well-sampled rating bands from under 800 to nearly 1800 typically resign around a 7-pawn Stockfish disadvantage.
Read articleA comparison of pieces remaining on-board for valid game endings across Elo buckets.
A Lichess study comparing how many pieces remain on the board at valid checkmate and engine-confirmed resignation-like endings across Bullet, Blitz, 10min Rapid, and >10min Rapid.
Read studyPawn Patience Gallery
Static research gallery showing the average move number before each original pawn is first touched, split by game type, color, pawn file, and Elo bucket.
Explore galleryf3/f6 Move Metrics
Static research gallery for White f3 and Black f6 rates, including before castling, before development completion, and associated win-rate views by Elo bucket.
Explore galleryPawn Capture and Promotion Outcomes
Static research gallery showing the average row where pawns are captured, how often promoted pieces are captured immediately, and how often captured promotions produce no net material gain.
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