“…Each of these game AI systems uses different combinations of AI techniques listed in Section 3. The AI systems covered in this section are: AlphaGo series (AlphaGo [2], Al-phaGo Zero [3], AlphaZero [4]) in the game of Go, HUNL AI systems (DeepStack [5], Libratus [6], Pluribus [7], AlphaHoldem [80]), Mahjong AI systems (Suphx [18], JueJong [19]), Doudizhu AI systems (DouZero [20], PerfectDou [21]), and AI systems for video games (AlphaStar [8], OpenAI Five [9], JueWu [10]).…”