Thanks, cfcef! Implementation details are in the &quot;Methods&quot; section. Have started experimenting with small GPU ML cloud jobs and the costs do add up. Wanted to get a sense what a large job looked like and indeed, AlphaGo is gargantuan. 50 GPUs approx train time one month for the policy&#x2F;value network. So, a Google R&amp;D size budget would be a prerequisite ;)