Web-based

Free, open-source online chess platform with zero ads, zero paywalls, and a full suite of play and training tools.

The world's largest chess platform, offering play, tactics, courses, game analysis, and live event coverage for all levels.

Comprehensive chess training site renowned for its tactics trainer, opening trainer, and large game database.

Online chess learning platform using spaced repetition to help players memorize openings, tactics, and endgames.

Massive historical game database with over 10 million games, player bios, a community forum, and a puzzle archive.

Free online database of millions of master games with a powerful search interface and opening statistics.

Human-like AI chess engine trained to predict human moves at specific Elo levels, ideal for realistic practice.

Free cloud database of over 40 million chess positions with optimal engine moves, built for opening research.

The international governing body of chess, home to official ratings, world championship news, and the Laws of Chess.

Safe, kid-friendly chess platform from Chess.com with games, puzzles, videos, and lessons designed for children.

Daily chess news, tournament reports, deep analysis articles, and interviews from the ChessBase editorial team.

Live ratings tracker for the world's top chess players, with tournament calendars and historical rating charts.

Massive open dataset of all Lichess games available for free bulk download in PGN and other formats.

Online interface to Syzygy endgame tablebases, giving perfect play information for all positions with up to 7 pieces.

One of the oldest online chess servers, historically the home of top grandmasters playing online, now part of Chess.com.

Top Chess Engine Championship — continuous live tournament between the world's strongest chess engines.

Comprehensive wiki covering all aspects of chess engine programming, from search algorithms to evaluation functions.

Personalized opening explorer that analyzes your own games from Lichess or Chess.com to show your actual opening stats.

Opening repertoire builder and trainer with spaced repetition, tailored to your Elo and designed for efficient memorization.

Free, open-source opening repertoire trainer using spaced repetition, compatible with any PGN repertoire file.

Interactive opening explorer that visualizes the most common paths through the opening phase as a decision tree.

Free daily chess puzzles with a large archive, filterable by theme and difficulty, with user ratings and comments.

Speed tactics trainer that challenges you to solve as many puzzles as possible within a time limit.

Free chess training site combining spaced repetition for openings, blindfold tactics, and endgame practice.

Structured online chess training based on the renowned Steps Method curriculum for beginners and intermediates.

Online chess academy run by GM Avetik Grigoryan with a structured course library, blog, and podcast.

Structured chess training program by titled coaches with defined rating-based curricula and a strong community.

Pattern recognition trainer using real rapid and blitz game positions to build fast, intuitive tactical vision.

Chess strategy trainer covering positional concepts and middlegame themes through interactive problem sets.

Interactive endgame training site with positions from basic K+P endings to complex rook and queen endgames.

Open-source chess analysis tool that visualizes evaluation trends and lets you explore your games with engine commentary.

Cloud-based chess analysis platform offering high-speed Stockfish and Lc0 analysis on powerful remote servers.

Curated collection of PGN game files organized by player, opening, and tournament for free download.

Free archive of millions of games played on the Free Internet Chess Server, available for bulk download by month.

Weekly chess news magazine and PGN download service covering all major tournaments, running continuously since 1994.

Searchable chess game database with millions of games, an opening explorer, and player statistics.

Official FIDE player rating lookup and rating list archive, with a performance calculator and title application tools.

The largest database of over-the-board chess tournament results, used by organizers worldwide for pairings and reporting.

Free live broadcast platform built into Lichess, covering major OTB tournaments with real-time board displays and engine analysis.

Q&A community for chess players and enthusiasts, covering rules, strategy, history, and everything in between.

The main chess subreddit with over 2 million members sharing news, games, analysis, memes, and improvement discussions.

Live coverage of top chess tournaments by ChessBase, with real-time boards, engine analysis, and expert commentary.

Official site of the Grand Chess Tour, the premier annual circuit of elite chess tournaments featuring the world's top players.

Computer Chess Rating Lists — independent rating lists for chess engines tested by a volunteer community.

Free, open-source online chess server supporting over 60 chess variants alongside standard chess.

Open-source strategy game server supporting chess variants alongside draughts, Go, Backgammon, Othello, and more.

AI-powered chess improvement platform that analyzes your games and generates a personalized training plan.

Official FIDE tournament calendar listing FIDE-rated and FIDE-recognized chess events worldwide.

Modern online chess tournament management platform used by clubs and federations for both OTB and online events.

Analytics tool providing detailed statistics and trends from your Lichess or Chess.com game history.

AI-powered tool that recognizes chess positions from images, videos, books, and screens for instant analysis.

Free, open-source chess training app with a clean interface for tactics, opening drills, and game review.

Free tool to create animated GIF, MP4, and WebM videos from a PGN game for sharing on social media.

Instant PGN sharing tool — paste a game and get a shareable link with a built-in interactive board viewer.

Collection of free browser-based chess utilities including a PGN editor, animated GIF creator, and puzzle editor.

Interactive tool to compare your rating across FIDE, USCF, Lichess, Chess.com, and other rating systems.

Web interface for the Free Internet Chess Server (FICS), one of the original free online chess servers.

Browser-based chess game with polished visuals, a strong AI opponent, and beginner-friendly learning features.

Indie chess platform focused on play against bots of varied personalities and styles, with minimal setup.

Online chess platform with a unique collectible game system where your best games become tradeable digital assets.

Free game analysis tool that highlights brilliancies and key moments, with a clean visual presentation.

Game analysis tool that identifies brilliancies and awards accuracy scores, with a shareable results summary.

Wordle-inspired daily chess game where you guess the opening move sequence from a real master game.

Daily game where you guess the sequence of best moves played in a real master game position.

Puzzle game where you sort the top engine moves by evaluation rather than finding the best move.

Simple trainer for drilling chess board coordinate recognition quickly and accurately.

Reference site with illustrated lists of chess tactics, checkmate patterns, and strategic concepts.

Comprehensive encyclopedia of chess variants with rules, history, and links to playable implementations.

International Correspondence Chess Federation — the governing body for correspondence chess, hosting official rated events worldwide.

Collection of browser-based chess tools including a glossary, puzzle generators, board editors, and training utilities.

The original manufacturer of electronic chess boards used in world championships and major OTB tournaments.

Smart robotic chess board where the pieces move on their own in response to your opponent's online moves.

Free classroom tool built into Lichess, letting teachers create classes, assign students, and run school tournaments.

Chess training platform for schools and clubs with a structured curriculum, teacher tools, and gamified puzzles.

Correspondence chess server with a large community, team events, and a relaxed, social atmosphere.

Correspondence chess platform with online play, tournament hosting, and a growing suite of chess analysis tools.

Free analytics tool for Chess.com players showing detailed performance breakdowns and opening statistics.

Tool for generating polished video clips from chess game notation for sharing on social media or YouTube.

Directory of chess streamers and content creators, with news aggregation and viewer statistics.

Viewership statistics and peak audience data for major chess tournaments and events across streaming platforms.

Online rapid chess tour featuring the world's top players, organized by Magnus Carlsen's company Play Magnus.

Chess analysis tool that explains engine moves in plain language, making computer analysis understandable for improving players.

Free open-source tool to download and analyze your games from Lichess or Chess.com with Stockfish in the browser.

Chess improvement resource with guides, calculators, rating comparisons, and structured advice for ambitious players.

The community discussion forum of Lichess, covering chess improvement, platform features, and general chess topics.

The largest chess community forum on the internet, hosted by Chess.com with millions of members and active discussions.

An interactive force-directed graph of all 3,704 ECO chess openings, colored by volume.