[wcoenen]

And did you actually select GPT-4? It is shown at the top of the conversation page.

I'm asking because I noticed that the default setting for each new conversation is currently still GPT-3.5, even if you are a subscriber and even if you have selected GPT-4 for your previous conversation(s).

[ashtonbaker]

Come on. Yes. Here's a screenshot if it helps: https://i.imgur.com/BepKMt1.png - It gives FEN notation itself, so I prompted it with FEN, but I have also tried describing the position of each piece explicitly.