Ke Jie vs AlphaGo

Google DeepMind offered 1.5 million dollars winner prizes for this match while the losing side took 300,000 dollars for participating in the three games.^[15][16] AlphaGo won all three games.^[17][18]

Pair Go

The pair Go game was played on 26 May morning. Gu Li, an eight-time world champion, and Lian Xiao, the current Chinese Mingren and Tianyuan titles holder, each had their own AlphaGo teammate, alternating moves in tag team style.^[19] The move sequence was Gu Li (black), Lian Xiao (white), AlphaGo (black), and AlphaGo (white).^[20]

First 99 moves

Moves 100–199

Moves 200–220

After move 198, the black AlphaGo proposed resignation, but got rejected by its teammate Gu Li.^[21] The white AlphaGo and Lian Xiao finally won by resignation after move 220.

This pair Go game provided a glimpse of how human players might be able to use AI tools in the future, benefiting from the computer's insights while also relying on their own intuition.^[19] After the match, David Silver, the lead researcher for AlphaGo said: "Pair Go was a beautiful game. All four players made some brilliant and creative moves. It felt like four painters working together on a shared canvas, all with different styles, all combining together to make something truly beautiful."^[22]

Team Go

The team Go match was held on 26 May afternoon. In this five-on-one match, five world champion players, Chen Yaoye, Zhou Ruiyang, Mi Yuting, Shi Yue, and Tang Weixing (black), joined forces to play against AlphaGo (white).^[23] There was a two-and-a-half-hour set time limit for each side followed by three 60-second byo-yomi overtime periods.^{[citation needed]} Consulting each other on every move, the human team approached the challenge in a light-hearted manner, obviously enjoying the experience of playing together.^[19] Chosen as the team leader, Zhou Ruiyang positioned the stones on the board during regular time.^{[citation needed]} Tang Weixing put down the stones in overtime, almost working on his own,^{[citation needed]} and finally resigned in the face of AlphaGo’s certain victory.^[24] Eric Schmidt, the Executive Chairman of DeepMind's parent company Alphabet, Inc. tweeted: "This speaks volumes about where AI is headed - human players are teaming up with AlphaGo to have even more fun with the game!".^[25]

First 99 moves (87/93/99 at 65, 90/96 at 66)

Moves 100–199 (105/111/119/125/131 at , 108/114/122/128 at 102, 172 at 115)

Moves 200–254 (219 at 213)