Questioning Assumptions

In my last post I wrote about one of the most ubiquitous kinds of mistakes, in life as well as chess: the kind of mistake where you assume you know what is going on, and the assumption seems so obvious to you that you aren’t even aware of making it. Here’s...

Rock, Paper, Scissors (part 2)

A month ago I wrote a post called Rock, Paper, Scissors, where I posed the following problem: Can you come up with three half-positions (that is, positions for one player only, written in English Descriptive Notation), called “Rock,” “Paper,”...