If you want to learn how one of the most sophisticated AI systems ever built works, you've come to the right place. In this three part series, we'll explore the inner workings of the DeepMind MuZero model -- the younger (and even more impressive) brother of AlphaZero. We'll be walking through the pseudocode that accompanies the MuZero paper -- so grab yourself a cup of tea and a comfy chair and let's begin. On 19th November 2019 DeepMind released their latest model-based reinforcement learning algorithm to the world -- MuZero. This is the fourth in a line of DeepMind reinforcement learning papers that have continually smashed through the barriers of possibility, starting with AlphaGo in 2016.