Othello AI Egaroucid
Othello Application with one of the strongest AI in the world
Egaroucid [ɪɡɑɻˈəʊsid] is an Othello app with one of the strongest othello solver AI.
The author is World No.1 in CodinGame Othello, Othello AI contest (as of 2023/09/04).
Completely free software. Egaroucid and Egaroucid for Console use the same (strong) engine, but Egaroucid for Web uses a simple (weaker) engine.
- Accurate and fast evaluation function
- Fast search
- Play against AI
- on Egaroucid's GUI
- on other GUI with Go Text Protocol (GTP) (Egaroucid for Console)
- Analyze a game
- See evaluation values
- Input and Output in several formats
- Create / Modify book automatically / manually
- Add Egaroucid's / Edax's book
- Show opening name
- Beautiful GUI powered by Siv3D
How to Install Egaroucid
Please visit download page and download installer, then install Egaroucid.
Egaroucid for Console
Please read how to install Egaroucid for Console and download or build it.
Egaroucid for Web
You don't need to do anything special. Please just visit Egaroucid for Web page and play now.
There are some official documents. I am very sorry, but they are only written in Japanese, so please translate it before reading.
Looking for your voice
Via this Google form, you can send me messages such as:
- I found a bug!
- I want to use Egaroucid in my language!
- I want some new functions!
- I have a good idea to improve!
- I want to participate in user tests!
I would like to hear your voice! Please contact me freely!
Welcome your contribution on Egaroucid
Egaroucid is an open source software under GPL-3.0 license. All source codes are available on GitHub here. I welcome your contributions such as pull requests!
When you want to use Egaroucid in your own software
You can use Egaroucid freely under GPL-3.0 license. If you worry about GPL-infection, please ask me.
I would like to thank these people for great contributions.
- UI Design
- Technical Contribution
- Technical Advice
- Opening names Provision
- Book Provision
- User Test
- OGA NAO
- Satoshi Kurahashi
- Taiki Demoto
- Takada Seigo
- Nagano Yasushi
Other Othello AIs
Recent great Othello AIs:
- Edax 4.4 Strong and famous. Egaroucid borrows many ideas from Edax.
- Edax 4.5 Edax 4.4 optimized for AVX. Strong and very fast. Egaroucid borrows some ideas from Edax 4.5.
- Master Reversi Strong and very fast.
- FOREST Uses alpha-beta pruning with neural-network-based evaluation function. The accuracy of its evaluation function is very good.
- dekunobou An unique Othello AI which uses alpha-beta pruning with an evaluation function optimized by genetic algorithm. The developer is also famous for shogi AI.
- WZebra Development stopped in around 2005. Egaroucid's default book is based on WZebra's book under a permission of its developer. Although the development has already stopped, I would like to introduce it with respect.
- Logistello The first Othello AI to win against world champion Takeshi Murakami in 1997. The idea of this AI is used in Egaroucid even now. Although the development has already stopped, I would like to introduce it with respect.