{"repo":"MrLokans/chess-blunder-trainer","free":true,"listed":false,"github":"https://github.com/MrLokans/chess-blunder-trainer","clone":"git clone https://github.com/MrLokans/chess-blunder-trainer.git","description":"https://blundertutor.com/ Train on you historic blunders with Stockfish 18: free and self-hosted.","language":"Python","stars":15,"topics":["blunders","chess","chess-engine","chess-tracker","chess-training","chesscom","lichess","self-hosted","tactics","trainer"],"license":"AGPL-3.0","category":"self-hosted-apps","readme_excerpt":"Blunder Tutor Stop repeating the same chess mistakes. Blunder Tutor pulls your games from Lichess and Chess.com, finds the positions where you went wrong, and turns them into puzzles you can practice — for free, on your own machine. Try the live demo → The blog post with the design and approaches architecture What It Does 1. Import your games from Lichess, Chess.com, or both 2. Find your blunders using Stockfish engine analysis 3. Practice them as puzzles — the positions where you made mistakes, not random tactics 4. See where you're weakest — dashboard shows your blunder patterns by opening, game phase, and difficulty Screenshots :-: :-: Why Not Just Use Lichess or Chess.com Analysis? - Lichess analysis shows you the blunder but doesn't let you drill it repeatedly - Chess.com Game Review is paywalled — one free review per day, then $50–150/year - Generic puzzle sites train random positions, not your weaknesses Blunder Tutor combines the parts that matter: finds your mistakes, turns them into drillable puzzles, and tracks which patterns you've fixed. All free, all local. Quick Start Open http://localhost:8000 and enter your chess username. That's it. For Docker Compose, environment variables, and advanced options see Docker Deployment Guide. Multi-User Mode (optional) By default Blunder Tutor runs single-user with no login. To host multiple accounts on one instance, enable credentials mode: First signup uses a one-time invite code printed to the server log on boot. Each accou","default_branch":null,"files":null,"tree":[],"storefront":"/r/MrLokans","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/MrLokans/chess-blunder-trainer/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}