Most inputs were a combination from these:

"Painting/Digital Art/3D Render] of [Animals/Foxes/Monkeys] playing Chess in [Jungle/Dune/Desert]"

Some inputs were specific: "Capaybara vs Groundhog Chess match" or "Llama vs Panda/Red Panda in chess match"

I almost used all the credits OpenAI gave me for DALL-E. This set consists of about 50-60% of all the images I generated.

Not OP, but I generated over 150 images using DALL-E 2. Results in the quality of the images in the gallery are very common. Usually, for prompts as simple as this most of the output images (there are 4) look as good or better.