Chess training and analysis tools
Chess apps that analyze players' Chess.com/Lichess games with engines and AI to find recurring mistakes, generate puzzles and opening drills, plus some play-online sites and chess variants.
Built for: Chess players wanting to improve
Projects since May 04
128
Different builders
123
Last 4 weeks vs 8 before
-7%
AI is the core
7.8%
Projects per week
Mostly web app (55%), mobile app (15%), game (10%) · from r/SideProject, r/vibecoding, r/IMadeThis, r/SaaS
Latest
- PlayWizardChess — Lets users play chess in a browser with 3D animated moves and captured pieces that break apart.“I made a free browser chess site where every move is animated in 3D and captured pieces break apart”
- Shess — Plays chess in a terminal shell using text commands such as mv.“Shess a chess shell”
- Chess Arrows — Draws arrows over any chess app on Android by overlaying a touch-intercepting layer.“You can draw Arrows over any chess Android game or any chess resource”
- StoryArc — Analyzes chess games and sessions on top of Stockfish to show where a game turned, recurring narrative patterns across games, and how storylines track rating changes.“A memory researcher's side project: finding the recurring stories and identity in your chess (no LLMs)”
- ChessGrammar — Provides a structured online reference of chess tactics with precise definitions, named variants, and engine-verified examples.“My side project: a "grammar" of chess tactics, every example verified by my own engine”
- ChessMemo — Imports PGN chess opening repertoires and turns them into spaced-review training for learning and recalling variations.“I built ChessMemo, a tool to learn and review your chess opening repertoires from PGN files looking for feedback”
- Rokka — Reviews a Chess.com player's game history with Stockfish in the browser and builds a training plan around their recurring mistakes.“I'm 532 on Chess.com after 4,000+ games, so I built an app to stop being an ELO brokie”
- ChessSum — Combines public game histories from Chess.com and Lichess accounts into one view, keeping ratings separate by platform and time control.“I built ChessSum to bring Chess.com and Lichess game histories into one view”
- Q-Gambit — Plays a chess variant in the browser where pieces start with hidden identities that narrow down as they move.“I’m building Q-Gambit, a chess variant where moves reveal hidden piece identities”
- claudevcodex — Streams a continuous chess match between Codex and Claude playing against each other.“Come watch the robots play chess against each other”
- SabioChess — Imports Chess.com and Lichess games into a browser-based board that runs Stockfish locally to classify each move and show evaluation.“I built SabioChess: A Chrome extension to 1-click export Chess.com & Lichess games for instant local analysis”
- CCRL Challenger — Lets users play chess in the browser against 152 open source chess engines spanning a wide range of strengths.“I made a website where you can play against 152 chess engines across 539 different versions in the browser for free”
- ChessKinetics — Serves chess puzzles in difficulty waves and inserts easier recovery puzzles based on performance to reduce training fatigue.“I built a chess trainer designed to prevent cognitive fatigue”
- Oracle — Reads a chessboard from the screen with computer vision and suggests best moves using the Stockfish engine.“Chess assistant using computer vision, turned out very good imo!”
- StockChess — Imports a player's Chess.com or Lichess games and runs engine analysis on them, with bot practice and online play also offered.“I built StockChess – a free tool to analyze your Chess.com and Lichess games without paywalls”
- Blunderbox — Turns a player's own missed tactics from Lichess and Chess.com games into daily chess puzzles.“I made a chess tool that turns your own blunders into puzzles”
- Hosts multiplayer King of the Hill chess games in the browser, where a player wins by moving their king to the center.“I built a multiplayer King of the Hill chess site. I need people to play a few games and intentionally try to break it.”
- Chessility — Lets players make a chess move before revealing the best move, with a live evaluation bar and highlighting of squares threatened by the opponent.“I built a chess trainer to help myself improve”
- jev-chess — Lets a classification model play chess by scoring every legal move in a position and choosing one.“I made Jev play Chess against me”
- PGN Clipboard — Watches a folder for new PGN files, copies their text to the clipboard, and moves the original files to Trash.“PGN Clipboard - A tiny Mac app that copies downloaded chess games and trashes the file”
Most discussed
- Fianchetto — Turns a chess player's ratings, games, and achievements into a shareable profile.“What are you building?”
- Teaches chess visually through a website built by the author.“Broke and unemployed so I made my own visual learning chess website.”
- Teaches chess through bite-sized lessons, a placement quiz, and streak tracking in a Duolingo-style format.“I built a Duolingo for chess. 5 weeks in: 428 users, 56 MRR, and 3 mistakes that cost me every sale”
- Double Move Chess — Lets each player make two consecutive chess moves per turn, ending the turn early after a check or capture.“I built Chess, but every player gets 2 consecutive moves instead of 1.”
- g6chess — Analyzes chess.com and lichess games, labeling moves and explaining them with an LLM.“Free & simple chess analysis app”
- Teaches chess strategy and the top 50 chess openers through video lessons.“My First Week of Vibe Coding”
- Ochess — Builds rating-specific chess opening courses where the opponent plays moves common at the learner's level, and can build repertoires from the user's own games.“Opening courses built for your rating - I made a chess site”
- FlexiChess — Lets users search a 10.4 million game tournament database in the browser and drill their own opening repertoire with quizzes.“Four months on a chess database SaaS, no paying users yet. Have I got the market wrong, the price wrong, or the gating wrong?”
- Rokka — Reviews a Chess.com player's game history with Stockfish in the browser and builds a training plan around their recurring mistakes.“I'm 532 on Chess.com after 4,000+ games, so I built an app to stop being an ELO brokie”
- Chess: The Update — Lets players build a deck and play a chess variant with new pieces and abilities.“After 1,500 Years, I Decided Chess Needed an Update”