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Honest notes from building Zafronix games, siono.app, the World Cup API, and Next-Gen Chess. What works, what doesn’t, what we got wrong.

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  • siono Studio · May 5, 2026 · 4 min read

    Why we built siono

    Group chats are great at making plans. They’re terrible at making decisions. siono is the smallest possible tool that fixes that — and the discipline behind keeping it small.

  • WC API Business · May 4, 2026 · 4 min read

    Why we built a World Cup API

    Wikipedia is HTML. Sportradar is enterprise. There’s a missing tier. Here’s the wedge we’re going after — and the honest math on whether it’s a business.

  • WC API Engineering · May 4, 2026 · 5 min read

    92 years of World Cup data: what we found

    ~2,500 players, 23 tournaments, 6 confederations. Birth-month curves, post-WW2 squad-size growth, the surprising hemisphere split — with code samples you can run.

  • WC API Principles · May 4, 2026 · 4 min read

    Why we’re up-front about a 5-minute live-data lag

    Sub-second sports feeds cost $10K/month. We don’t have them. Pretending we do would be the easiest sale and the fastest path to refunds.

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More posts coming — covering siono lessons, mobile game post-mortems, Next-Gen Chess, and Wayfinders.

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