# Champion Go Entry Edition

> Go game with AI engine, multiple board sizes, and game recording. (iPhone/iPad app by UNBALANCE Corporation.)

- Source: https://appshunter.io/ios/app/champion-go-entry-edition/id493197735 (this page in markdown: same URL + `.md`)
- Developer: [UNBALANCE Corporation](https://appshunter.io/developer/358617691)
- Category: Games, Entertainment, Board, Strategy
- Price: Free with in-app purchases
- Rating: 2.70/5 from 3 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.0 · 28 MB
- Languages: American English, Japanese
- Released: 2012-02-23
- Data updated: 2026-08-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/champion-go-entry-edition/id493197735/reviews.md

## What is Champion Go Entry Edition?

Champion Go Entry Edition is a  FREE Go (also called as Igo, Baduk or Weiqi) game, powered by Crazy Stone. 
Engine Server Game have been upgraded to the Deep Learning version ! 
----------------------------------------------------

With Champion Go Entry Edition, you can play 5 levels for 9x9 board, and a single level for 13x13 and 19x19 board for FREE!

We have also provided 'Engine Server Game' mode (playing tickets are required).
In this mode, you can play games against the latest Deep Learning version of Crazy Stone which is installed in our computer server. Therefore you can enjoy online games against a very strong computer program.

Crazy Stone is a popularly known Go engine, based on the Monte-Carlo evaluation technique, combined with tree search, and has achieved 6d at KGS rating.
We have optimized this particular version for the iPhone.

(*)KGS・・・Internet Go game site played by Go fans all over the world  


■ Engine Server Game
Subscription registration is required.
--Try it for FREE-- We have provided a 7 day free trial period !  

New version of Crazy Stone employing Deep Learning technology for Engine Server Games!
There are 10 levels of play for each 9x9,13x13,19x19 board size.
If you want to play against higher levels for the 19×19 and 13×13 boards, please enjoy online games against our Go Server Engine.

Crazy Stone has made a huge step forward by combining Deep Neural Networks with Monte Carlo Tree Search.
The new program has scored a winning rate of over 90% against the previous version!

We have upgraded our Go Engine Server to this latest version, and now you can play games against Crazy Stone 
that has achieved 7d on kgs rating. (We have provided a 8 core engine server for these games)

You will need to pay a monthly subscripton fee after the free trial period for Engine Server Games.
See below for more information about the Subscription.

■ Friendly 3 input methods
There are 3 options of input methods (Zoom, Cursor & Touch).

■ Helpful Game record features
You can view full game history in the game record and restart game from the selected move, 
which should help reviewing your game.
Various Game record features should be practical for improving your Go. 

■ Other Features
・Human vs Computer, Human vs Human(sharing a single device)
・3 types of board size (9x9,13x13,19x19)
・Handicap games, variable options of komi
・Hint (suggest)
・Instant Undo (available even when the computer is thinking)
・Automatic territory calculation
・Save/Load game record
・Send game record (sgf-file) by e-mail
・Automatic and manual replay of a game record
・Byoyomi(time limit) settings (only for human)   
・Atari warning
・Highlight the last move
・Let you know your turn by vibration
・COM resign feature

■ Subscription Details
-Monthly Subscription for unlimited Engine Server Games ($2.99/month).
-Customers will be charged $2.99 per month to iTunes Account after the free trial period of 7 days.
-The Subscription will be renewed automatically unless cancelled more than 24 hours before the end of it's current period.
-Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
-To turn-off the auto renewal of subscription, please touch the Confirm Subscription button. You will be able to cancel your subscription from your iTunes account settings. 
-Also, you will be able to confirm your subscriptions with your device by following the steps listed below.
Settings -> iTunes & Apple Store -> Apple ID -> Subscriptions
-After cancelling the subscription, you will be able to play Engine Server Games until the current subscription period expires.
-You will not be able to cancel the current subscription during its active period.
-Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.
-Privacy Policy  (https://sp.unbalance.co.jp/privacy/sp.html)
-Terms of Use  (https://sp.unbalance.co.jp/eula/en.html)

## Key features

- Play Go against AI
- Multiple board sizes (9x9, 13x13, 19x19)
- 5 levels for 9x9, 1 for 13x13/19x19 (free)
- Engine Server Game mode with Deep Learning AI
- 7-day free trial for subscription
- Game record and replay features
- Human vs Computer and Human vs Human modes

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Subscription (Monthly) | $2.99 | per month |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/champion-go-entry-edition/id493197735/reviews.md

### 1/5 — Still has engine ticket error

*2015-05-02*

I am on iphone 5S and when I purchased the 30 day ticket, it sent me to 1970 instead of the current date, so I have to pay a lot to get engine server play

Please fix

### 5/5 — Genius!!

*2015-04-09*

This app is great! It makes learning Go so easy! With its replay and hint features, it is a wonderful instructor!

### 1/5 — Only Japanese letters

*2014-10-09*

On my German iPhone 6 with iOS 8.0.2, the app will not switch to English. The whole app is in Japanese and therefore not usable. The version of the app is very old too.

### 5/5 — Играет очень сильно.

*2012-07-11*

За 3$ в месяц можно купить возможность игры с северной версией, в этом режиме на доске 19x19 обыгрывает   Pachi на ББ с четыремя камнями гандикапа. Не глючит, удобный ввод.

## Frequently asked questions about Champion Go Entry Edition

### What is Champion Go Entry Edition?

Champion Go Entry Edition is a free mobile game that allows you to play the strategy board game Go against a powerful AI engine. It offers various board sizes and difficulty levels for both free and subscription-based play.

### What are the free features in Champion Go Entry Edition?

In the free version, you can play 5 levels for the 9x9 board and one level each for the 13x13 and 19x19 boards. The app also includes helpful game record features and multiple input methods.

### How does the Engine Server Game mode work?

The Engine Server Game mode requires a subscription and allows you to play against the latest Deep Learning version of the Crazy Stone AI engine, which is a very strong computer program. This mode offers 10 levels of play for each board size.

### Is there a free trial for the subscription?

Yes, Champion Go Entry Edition offers a 7-day free trial period for the Engine Server Game mode subscription. After the trial, a monthly subscription fee of $2.99 applies.

### What are the subscription details for Champion Go Entry Edition?

The monthly subscription costs $2.99 and provides unlimited access to Engine Server Games. The subscription renews automatically unless canceled, and customers are charged via their iTunes Account after the 7-day free trial.

### Does Champion Go Entry Edition have ads?

No, Champion Go Entry Edition does not contain advertisements. The monetization comes from optional in-app purchases for the Engine Server Game subscription.

### What devices is Champion Go Entry Edition compatible with?

Champion Go Entry Edition is supported on iPhone and iPod devices. It has an age rating of 4+.

### How can I improve my Go game with this app?

The app provides helpful game record features that allow you to view full game history, restart from selected moves, and replay games. The AI opponent also offers a strong challenge to help you practice and learn.

## Version history (last 5 releases)

### 1.2.4 — 2017-03-02

This app has been updated by Apple to display the Apple Watch app icon.

fixed some minor problems.

### 1.2.3 — 2017-02-24

Switched to monthly subscription for Engine Server Game.

### 1.1.4 — 2016-07-12

fixed some minor problems.

### 1.1.3 — 2015-04-23

Fixed problems concerned with the tickets of Engine Server Game.

### 1.1.2 — 2015-04-20

Fixed some minor problems. 
Supports 64bit OS.

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## More apps by UNBALANCE Corporation

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All apps by UNBALANCE Corporation: https://appshunter.io/developer/358617691

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*