It's purely a passion project with no monetization aspirations. And it's open source: https://github.com/riesvile/yare
The first version 'launched' several years ago and I got some good feedback here: https://news.ycombinator.com/item?id=27365961 that I iterated on.
The latest overhaul is a result of simplifying everything while still keeping the skill ceiling high. And at least the LLMs seem to struggle with this challenge for now (I run a small tournament between major models - results and details here: https://yare.io/ai-arena
I'd love to hear your thoughts