In 2005, I played in a chess tournament in Dallas. One of my opponents was a 9 year old boy named Darwin. I won my game against Darwin, with my patented combination of simple-minded chess, in which I won a pawn, and then traded down the material to victory. I knew then that Darwin would be a stronger player than I am. Then he was rated 1500 (a C player), a bit below my 1600 (a B player).
Last night I reviewed this week's games of the U.S. Chess League. I noticed that Darwin now plays for the "pro chess" league. His rating at age 13 is now 2300, and he is a FIDE master. Perhaps one day I will dine out on how I beat a grandmaster--when he was 9.