The Grandmaster Codex — a 5-volume chess mastery book (500→2500 ELO). Written by Kit Olivas & Ada Marie.
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Updated
Apr 17, 2026 - Python
The Grandmaster Codex — a 5-volume chess mastery book (500→2500 ELO). Written by Kit Olivas & Ada Marie.
Chrome extension to hide some of your or opponents pieces during chess game
Open-source chess improvement book and training system focused on human-first calculation, engine translation, and practical decision-making.
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