The Art of Variation in Chess

The board is kind of like a subsystem here. And the real anastomotic reticulum is like the all of the communication between the two players, because then so much of what's going on in the game is not actually represented on the board. It turns out that's gigantic, like truly gargantuan. So it's a navigational problem in many, many, many dimensions, including this like time dimension of like the sequence of variety changes.