A Master of Go 4+

powered by that neural network

Yuji Ichikawa

    • 4.6 • 71 Ratings
    • $12.99
    • Offers In-App Purchases

Screenshots

Description

To EU users,

According to EU DSA,, EU App Store displays traders' address and etc.
Since I am an individual developer, it is impossible and I will stop release the app.

It is a Go AI featuring a neural network of that strong, open source AI. Leela Zero, ELF OpenGo, PhoenixGo, Minigo, SAI, and optionally KataGo!

You can use it as a strong opponent, and as a good teacher at the time of study.

With M2 processor of iPad Pro, the playouts are performed over 650 times per second with ELF OpenGo weight v1, and with A15 Bionic processor of iPad mini, over 200 times per second! Both exceed notebook computers and is comparable to desktop computers. With M2 processor of iPad Pro, the playouts are performed over 250 times per second with KataGo b18c384nbt!
Other famous weights are also included.

For your information, the playout speed on the iPad Pro 9.7 inch model(A9X processor) will be about 10 times per second, and the one on the iPhone 6(A8 processor) will be about 1 time per second. I think that even so it is stronger than most amateurs, but I am sorry that patterns of misreading ladders will increase.
Please be careful when considering purchasing.

Enjoy it!

What’s New

Version 6.6.0

This is a new-feature version.

1. New feature: New index "AI Sense of a move", which is ratio between its policy value and maximum one.
2. New feature: added handicap-aware search (dynamicPlayoutDoublingAdvantageCapPerOppLead) in game mode for KataGo.
3. improved performance of default engine.
4. updated KataGo to v1.14.0.
5. updated KataGo_Heavy weight to kata1-b18c384nbt-s9131461376-d4087399203.

Ratings and Reviews

4.6 out of 5
71 Ratings

71 Ratings

Romain Guimard ,

Finally a powerful go AI in your pocket.

I love it. You can load a SGF from anywhere and review your game without needed a powerful computer.

Bobbybob32134282 ,

A good start

I’ve been waiting for this since the Leela zero project emerged (still waiting for the chess version, but that’s ok). Some improvements could be used: 1. The user interface in general can be improved. Take a hint from some of the other popular go apps. 2. If you leave the app (not necessarily closing it even) the game wipes and for some reason is copied to your clipboard so you can paste it back and resume... clearly users shouldn’t have to do that. 3. It’s up to the user to load non-default network weights. It’d be nice to have those already loaded. You could make it such that there’s every difficulty level from random to pro by loading specific weights. Could track users progress as well, as is done in crazy stone app. 4. There’s a dynamic Komi branch of Leela zero. Could be used for maintaining the AI’s strength and still allowing high handicap games. That is all. Thank you.

sinantos2 ,

Needs to get better

This app is good if you are going to play against AI or start a study game from scratch. You cannot set up a position. When you import a game it always starts with the wrong player and doesn’t have an option to change player’s turn. These features need to be installed soon because they are very fundamental. Image recognition is also a nice-to-have feature. Now I use another app to capture a board image, then I export the sgf to another app to set the correct player’s turn and only after then I can start to study with this app.

App Privacy

The developer, Yuji Ichikawa, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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