David Ferrucci et al.,‘Watson: Beyond Jeopardy!’, Artificial Intelligence 19–200 (2013), 93–105.

‘Google’s AlphaZero Destroys Stockfish in 100-Game Match’, Chess.com, 6 December 2017, , accessed 11 February 2018; David Silver et al., ‘Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm’, arXiv (2017), , accessed 2 February 2018; see also Sarah Knapton, ‘Entire Human Chess Knowledge Learned and Surpassed by DeepMind’s AlphaZero in Four Hours’, Telegraph, 6 December 2017, , accessed 11 February 2018.