Article June 15, 2026

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.

Read article

PDF June 1, 2026

Δημιουργία στρωματοποιημένων καμπυλών αναφοράς Lichess για Elo+Chess

Μια σημείωση μεθοδολογίας που εξηγεί πώς το Elo+Chess δημιουργεί στρωματοποιημένες καμπύλες συγκριτικής αξιολόγησης Lichess, στόχους εκατοστημορίου ιστορικού παίκτη και γραφικά αναφοράς παραγωγής από μεγάλα δείγματα μετακίνησης και παιχνιδιών.

Διαβάστε χαρτί

PDF May 29, 2026

Εκτίμηση αντιστοιχίσεων βαθμολογίας σκακιού μεταξύ πλατφορμών με τροπική παλινδρόμηση

Μια σημείωση μεθόδων που περιγράφει τη μελέτη χαρτογράφησης αξιολόγησης του ίδιου ονόματος χρήστη Elo+Chess, το κίνητρο προσαρμογής τρόπων μεταφοράς, τα κριτήρια φιλτραρίσματος και τις τρέχουσες εκτιμήσεις μετατροπής Lichess σε Chess.com ανά τύπο παιχνιδιού.

Διαβάστε χαρτί

Article June 11, 2026

A 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 article

Article June 12, 2026

Who 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 article

Medium June 5, 2026

Your 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 Medium

Article June 5, 2026

Does 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 article

Article June 5, 2026

Do 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 article

Article June 5, 2026

A 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 study

Gallery June 3, 2026

Pawn 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 gallery

Gallery June 3, 2026

f3/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 gallery

Gallery June 4, 2026

Pawn 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