If you want to modify: https://github.com/emollick/grandmaster

This appears to be a GitHub repository shared by Ethan Mollick related to "grandmaster," likely containing code or resources for a chess-related AI project, machine learning application, or educational tool. The X post reference suggests Mollick was sharing or announcing this repository on social media, potentially discussing its purpose, capabilities, or inviting contributions from the community.

Source: Ethan Mollick (X) | 2026-07-02