Tournament Selection

Tournament selection introduction

Tournament selection is a strategy that pits chromosomes against one another in a tournament. While selections are still based on fitness, tournament selection introduces a strategy to choose parents that are both diverse and strong.

Tournament selection works like this:

1. Choose a pool of n chromosomes where n is the “tournament size.”

2. Choose the fittest chromosome from the tournament.

3. Repeat.

The image given below might help to visualize tournament selection a little better.

The beauty of tournament selection is that it’s simple, yet it ...