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 articleElo+Chess에서 사용하는 체스 분석, 등급 매핑, 벤치마크 구성 및 데이터 기반 개선 방법에 대한 연구 노트입니다.
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 articleElo+Chess가 대규모 이동 상태 및 플레이어 게임 샘플에서 계층화된 Lichess 벤치마크 곡선, 플레이어 기록 백분위수 목표 및 생산 보고서 그래픽을 구축하는 방법을 설명하는 방법론 노트입니다.
논문 읽기Elo+Chess 동일 사용자 이름 등급 매핑 연구, 모달 적합 동기, 필터링 기준 및 게임 유형별 현재 Lichess에서 Chess.com로의 전환 추정치를 설명하는 방법 노트입니다.
논문 읽기A 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 articleA 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 articleA public Medium article sharing Elo+Chess research observations and charts for a wider chess audience.
Read on MediumAn 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 articleA 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 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 studyStatic 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 galleryStatic research gallery for White f3 and Black f6 rates, including before castling, before development completion, and associated win-rate views by Elo bucket.
Explore galleryStatic 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