Each day you go to play poker, at either Casino Alpha or Casino Beta. Suppose you owe a poker buddy $100, and would like to avoid them for a little while so you don’t have to pay them back yet. Here’s a simple explanation of what Nate means, courtesy of Andrew Brokos, and his excellent book, Play Optimal Poker. I say “former,” because Nate has left the poker world to pursue other interests. I wish I could take credit for that line, but I learned it from former poker theorist Nate Meyvis.