chess-puzzles

♟️ AI-powered chess trainer with Stockfish 18 + LLM coaching. Learn chess with real-time explanations, engine analysis, puzzles, openings, and endgame training — directly in your browser

AI chess analysis tool powered by Stockfish and LLMs. Analyze PGN games, understand decision-making biases, train with puzzles, and play against the computer. 将博弈树搜索与自然语言生成结合的国际象棋分析工具，用于辅助棋手理解自己的决策偏差。同时内置了很多与Lichess、chess.com、国象联盟类似的功能，并完全免费。

Chess Master – Play, learn, and compete! Challenge friends, solve puzzles, and face a powerful AI. Join now and master the game!

Lichess Puzzle Timer — Bring the tension of real games to every Lichess puzzle. Any motif, any difficulty, any time, and any device (except iOS). A browser extension that implements a timer to puzzles in Lichess. Works on both Chrome and Firefox (and Firefox for Android).

Local-first desktop chess companion: import chess.com & Lichess games, analyze with Stockfish, build an opening repertoire, and train tactics puzzles. Built with Tauri, React & Rust.

No-account chess puzzle trainer with PGN variation support, server-side move validation, and browser Stockfish analysis.

Your chess, in plain files — a self-hosted chess workbench: engine analysis, studies, notes, games, and book-fed puzzles

Schachtaktik-Trainer als einzelne HTML-Datei — einfach öffnen und spielen. 50.000 der besten Lichess-Puzzles offline eingebettet. Schwierigkeit, Zeitlimit, Figurenanzahl und mehr frei wählbar. Eigene Filterfunktion. Mit Stockfish-Analyse, täglichem Puzzle und Sound-Engine.

Cross-platform chess app featuring interactive puzzles, AI gameplay, and skill-building tutorials, developed with Flutter.

Works from full puzzles db

Chess SLM trained exclusively on position + best move pairs.

Mix Lichess puzzle themes offline — combine forks, mates, endgames with OR/AND filters.

ChessCraft is a modern web application that allows users to play chess with friends in real-time, improve their skills with puzzles, play against AI bots, and analyze their games. It features a clean, intuitive interface with customizable preferences and interactive gameplay.

Generalization or Memorization? Brittleness Testing for Chess-Trained Language Models

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

Offline chess-puzzle studio for searching, solving, reviewing, and exporting local chess material.

Personal chess training tool that analyzes my own games with Stockfish 18, detects recurring mistakes, and turns them into tailored puzzles. Built local-first in the browser. Goal: reach 2000 Elo.

A modern chess puzzle trainer inspired by the Woodpecker Method.

Chess AI App - Learn chess by playing chess with AI models.

♟️ Lichess puzzles, one at a time, in a page that fits any viewport. A web port of my macOS menu-bar puzzle trainer.