1. Deranged Sinterklaas: The Math and Algorithms of Secret Santa

    How to generate uniformly random derangement for secret santa purposes.

  2. FO Roundup December 2019

    I've started knitting again.

  3. Simple Crochet Beanie Cap Pattern and Notes

    A friend organized a project to crochet hats for the homeless (or other cold people) this winter. She gave us a simple hat pattern to learn and these notes are my attempt to make sense of it and explain to other beginning crocheters, including a schematic diagram.

  4. Tournament Report: DCC Rapid

    I played in the Denver Chess Club's one-day rapid tournament and didn't lose all of my games.

  5. Race Report: Red, White & Boom! Half Marathon

    I ran a July 4 half marathon in Minneapolis and the humidity got me.