Building a Self-Hosted Chess Blunder Trainer

TL;DR I’ve built a blunder tutor, a project to train upon your historic blunders, that’s open-source, self-hosted and free to use: github, promo. Star, like, subscribe, give it a try! docker run \ -p 8000:8000 \ -v $(pwd)/data:/app/data \ ghcr.io/mrlokans/blunder-tutor:latest Open http://localhost:8000, enter your Lichess or Chess.com username, and start training on your own blunders. Intro I suck at chess. Like, it seems that when your body turns 30, suddenly your neural network stops learning new patterns the way it used to when you were 20. It’s predictable but still annoying and frustrating. ...

March 8, 2026 · 22 min

Learning music and the guitar as the never-ending failure.

TLDR; I’ve spent 10 years trying to become good at guitar and music, failed at it almost completely, and now give a last chance before understanding, that the whole stuff is just not my cup of tea. Preface I strongly believe that people nowadays do not share enough the ways they fail in life. Everywhere you look you will see the history of success, social media feeds will make you feel bad for sitting the evenings in front of your TV watching that new anime series. ...

January 1, 2024 · 11 min