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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Elo+ Chess
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Pananaliksik
Pananaliksik ng mga tala sa chess analytics, rating mappings, benchmark construction, at data-driven na mga paraan ng pagpapabuti na ginagamit ng Elo+Chess.
Building Stratified Lichess Benchmark Curves para sa Elo+Chess
Isang tala ng pamamaraan na nagpapaliwanag kung paano bumubuo ang Elo+Chess ng mga stratified na Lichess na mga benchmark na curve, mga target na percentile ng history ng player, at mga graphics ng ulat ng produksyon mula sa malalaking sample ng move-state at player-game.
Magbasa ng papelPagtatantya ng Cross-Platform Chess Rating Mappings gamit ang Modal Regression
Isang tala ng mga pamamaraan na naglalarawan sa Elo+Chess same-username rating-mapping study, ang modal fit motivation, filtering criteria, at kasalukuyang Lichess-to-Chess.com na mga pagtatantya ng conversion ayon sa uri ng laro.
Magbasa ng papelA 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.
Explore gallery