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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Istraživanja
Istraživačke beleške o šahovskoj analitici, mapiranju rejtinga, konstrukciji referentnih vrednosti i metodama poboljšanja zasnovanim na podacima koje koristi Elo+Chess.
Izrada stratifikovanih ZKSKTERM2ZKSK referentnih krivulja za ZKSKTERM0ZKSK
Metodološka napomena koja objašnjava kako ZKSKTERM0ZKSK gradi stratifikovane ZKSKTERM2ZKSK benčmark krive, ciljeve percentila istorije igrača i grafiku izveštaja o proizvodnji iz velikih uzoraka stanja kretanja i igre igrača.
Pročitajte papirProcena mapiranja šahovskih rejtinga na više platformi sa modalnom regresijom
Beleška o metodama koja opisuje Elo+Chess studiju mapiranja rejtinga istog korisničkog imena, motivaciju modalnog uklapanja, kriterijume filtriranja i trenutne procene konverzije Lichess-to-Chess.com prema tipu igre.
Pročitajte papirA 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