Champion Go iOS
Champion Go iOS icon

Champion Go

Publisher: UNBALANCE Corporation
Price: $5.99
  • Category
    Games
  • Version
    1.4.1
  • Size
    56 Mb
  • Released
    2019-06-29

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 and the strength is from beginner level
to around 1d.

Champion Go is a Go application from beginner to expert!

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.

■ Medal challenge mode
Champion Go has 2 game modes, Normal game & Medal challenge.
In Medal challenge, there are 150 different levels of play
set by combination of COM level, handicap & board size.

You can win medals by defeating computer under the specified conditions.
Why don't you challenge to collect all the medals!

■ Engine Server Game
(Playing tickets are required for these games)
There are 12 levels of play for each 9x9,13x13,19x19 board size.
If you want to play against the one of the stongest computer programs,
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)

■ 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
・Suspend/Re-start (in game)
・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
・COM resign feature

※In medal challenge mode, some features related with game record and hints are not available.
Also Undo is limited to the recent move you made (2 consecutive Undos can not be made).

■ 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)

Need help? Use our Champion Go Walkthrough page or sign up and make your contribution today.

What's new in version 1.4.1

Upgrade to Universal App.

About Champion Go

Champion Go is a board game developed by UNBALANCE Corporation, and is available for download on both iOS and Android devices. The app is compatible with iOS 5.1.1 or later on the following devices: iPhone 11 Pro, X, Xs, SE, iPhone 8, 7, 6, iPad Pro and iPad Mini.

Click the button or scan the QR code below to download Champion Go for iOS. Check out our downloads section to download Champion Go for android and other platforms.

App Rating & Updates

Rankings History
  • Ranked #191 in US App Store / Board

Recent updates

  • Initial release v1.4.1 Jun 29, 2019
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Champion Go Add-Ons

The app is $5.99 but you can buy extra add-ons via in-app purchases.

$2.99
Subscription (Monthly)