AlphaGo facts for kids
AlphaGo is a computer program that plays the board game Go. It was made by DeepMind Technologies (Google affiliate). This program became famous due to the victories against professional players.
Many new technologies were used to create AlphaGo, including deep learning, optimization, and the Monte Carlo algorithm.
Contents
Powered versions
After the release of AlphaGo, DeepMind Technologies has made powered versions such as the AlphaGo Zero and the AlphaZero: AlphaZero is a self-taught program. This means that it became powerful without human guidance.
Details
The following table is the summary of AlphaGo achievements (including its variants).
| Versions | Hardware | Elo rating | Date | Results |
|---|---|---|---|---|
| AlphaGo versus Fan Hui | 176 GPUs,distributed | 3,144 | Oct 2015 | 5:0 against Fan Hui (professional player) |
| AlphaGo versus Lee Sedol | 48 Tensor processing units (TPUs), distributed | 3,739 | Mar 2016 | 4:1 against Lee Sedol (former Korean & world champion) |
| AlphaGo Master | 4 TPUs, single machine | 4,858 | May 2017 | 60:0 against professional players |
| AlphaGo Zero (40 block) | 4 TPUs, single machine | 5,185 | Oct 2017 | 100:0 against AlphaGo version that defeated Lee Sedol
89:11 against AlphaGo Master |
| AlphaZero (20 block) | 4 TPUs, single machine | 5,018 | Dec 2017 | 60:40 against AlphaGo Zero (20 block) |
Rivals
After the appearance of AlphaGo, several research groups have created computer Go programs with similar technical viewpoints.
Darkforest
This was made by Facebook. The source codes are available on GitHub.
DeepZenGo
This was made in Japan. Nihon Ki-in was also involved in its research and development.
See also
In Spanish: AlphaGo para niños
