Figure 3: Neural network-based engines may only cover 5% of the search space of classical engines, but can search deeply and find promising, undiscovered areas in search of the best move.</figcaption>
        </figure>

        <h2 id="neural-network">Neural network</h2>
        <p>Neural networks are really just big, parallel number-crunching machines, which is why they are perfectly suited to GPUs and Tensor Processing Units (TPUs) (although our own brains are immensely more efficient). This sounds like s