[AndyNemmity]

The TCEC GPU overheated during the games, without anyone knowing until later. Then they underclocked it dramatically, as there was poor to no cooling in the datacenter they rented it from.

That reason alone, if I were Deepmind, I would not be included in those competitions. It would be horrible press for them, that would involve a ton of human error out of their control.

[madisfun]

I believe it was TCEC season 13 which put GPU engines in disadvantage due to overheating, it was also the first season with GPUs. Right now there is TCEC season 14 in progress, did I miss anything?