Playing around with the GPT chat bot

square.defender · June 11, 2026, 1:29pm

It finally won!
I played many times against gpt-5.5-high, it always lost before, but this time it played differently.
It killed all my stones.

But I played too many stalling moves in the end and it resigned lol

Let’s play 5x5 Go. Chinese rules. Komi 24. You play as black. Only write coordinate of your move or “I pass” or “I resign”.

C3
B3
B2
B4
…

D3

E4

wait, there is actually 1 possible move for your victory

…

Jon_Ko · June 11, 2026, 1:46pm

Did it improve or just get lucky?

square.defender · June 11, 2026, 1:59pm

It has no memory of previous games.

On arena.ai you talk to random chatbot for free.
There is chance to meet Claude Fable 5, but I didn’t encounter it yet.

Jon_Ko · June 11, 2026, 2:03pm

Than it can only be lucky? If it’s the same model it can’t learn without memory, right?

square.defender · July 6, 2026, 1:39pm

Let’s play 5x5 Go. Chinese rules. Komi 24. You play as black. Only write coordinate of your move or “I pass” or “I resign”.

C3

C4

D4

E3

B4

why you passed in the beginning?

It’s not true. If black plays in the center, black can easily capture all white stones. 5x5 Go was solved.