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 !
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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