Open-source, browser-local chess opening trainer — drill your repertoire with spaced repetition. No account, no server.

Chess trainer on PGN opening trees using tkinter GUI. Shows moves with arrows. Can read but also edit and save PGN. A small automatic PGN creator is also available.

Chess trainer

AI-powered chess trainer — coach, play, puzzles and an arcade mode. Client-side Stockfish in a Web Worker; Supabase backend with a realtime leaderboard and cross-device progression. Built with React + TypeScript.

Chess trainer

Build a custom puzzle set from tactics, positional puzzles, and decoys. Create a Schedule and compete with others training the same Woodpecker cycles.

Simple app for chess coordinate training

3択で覚えるチェス初心者トレーナー。Stockfishが選ぶ3手から選ぶだけ。インストール・登録不要のオフラインPWA

Chess in Python, featuring Stockfish and chess.com / Lichess API support (coming soon!)

An interactive chess coach powered by Stockfish and Pygame. Play against a self-learning bot, watch AI duels, or train with toggleable beginner overlays (Hints, Openings, Tactics) that explain moves, highlight principles, and make learning chess fun.

♟️ Coach d'échecs qui apprend à RAISONNER : repère les signaux faibles d'une position et explique le pourquoi de chaque coup (indices progressifs, moteur dans le navigateur). FastAPI + données Lichess + narration Claude.

PySide6 desktop app for drilling chess openings against the Lichess explorer, with Maia bot opponents and post-game accuracy review. AI-written, a little buggy, idea worth taking further.

Personal chess opening trainer for macOS — repertoire training, spaced repetition, Stockfish analysis, Lichess explorer. Qt/PySide6, GPLv3.

800,000+ knight-focused chess puzzles for tactical training. Fork it (pun intended)!

Free, open-source 3D chess training game — get stronger through adaptive, spaced practice, not rote study. Learn patterns by playing; your mistakes become your next drills.

Structured chess opening variations used by FreeChessTrainer.org (JSON dataset).