The winners

Best in show /Highest-placed bot

Robert Seaman :: not_minimax.py (v25)

Highest new entry /Highest-placed bot by somebody who’s been coding for less than a year

Uncontested

Worst in show /Lowest-placed bot

A tie between James Campbell :: horrible.py (v4) and Ronan Murphy :: loser.py

One hit wonder /Highest-placed bot from somebody who’s only submitted one bot

Sergey Kolosov :: sergeykolosov_0004.py

Best goldfish /Highest-placed bot that keeps no record of its state

Robert Seaman :: not_minimax.py (v25)

Best minnow /Smallest bot (measured by size of AST) that beats all the house bots

Matt Wheeler :: smol.py

Thanks to O'Reilly for the prizes!