Opening up a tab to quickly solve the problem with ChatGPT in order to climb the leaderboard is the modern Tragedy of the Commons.
ChatGPT doesn’t magically solve everything. There are a lot of cases where it will choke or lead people astray. If I was building a challenge like this in 2023 I’d test the problems against ChatGPT and put the ones where ChatGPT fails at the beginning to weed out the ChatGPT players.