♟️ 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

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).

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.

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

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

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

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

Chess SLM trained exclusively on position + best move pairs.

Works from full puzzles db

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

♟️ Solve chess puzzles directly from your macOS menu bar

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

Pawned is a chess server where users can either play against each other, play bots, chat about chess, or simply watch games.

Create custom Lichess puzzle sets by combining multiple themes and filters to run offline directly in your browser.