Go is ancient strategy game with simple rules. Hactar go is perfect for learning go, and to study go anywhere you are.

Corrections to few problem variations. Fix illegale moves seen in some problems.

A good way to learn go is thru game of capture-go. Hactar can play capture-go with you.

Updates for most recent Android version.

Once you are skilled at capture-go, you can try go against the Hactar server. Hactar strength is about 1 danHactar can play with you, it has 1 dan strength in 9x9 board and 5 kyu in 19x19 board. If this is not enough, you can subscribe to stronger engine playing at pro level in 19x19 board.

Hactar can play with you, it has 1 dan strength in 9x9 board and 5 kyu in 19x19 board. If this is not enough, you can subscribe to stronger engine playing at pro level in 19x19 board.

Multiple rare crashes fixed.

Hactar Lite can play capture-go with you. Hactar Lite also lets you try go at beginner level in a 9x9 board.

Corrections to few problem variations

Ukranian localization has been added using AI. Feedback is most welcome!

Downloaded SGF files or played games are saved only when they are modified.

Hactar offers pro-level AI analysis. It can be used to find better moves or mistakes from any games.

Added support subscription for those willing to provide extra support for Hactar go development.

Hactar offers pro-level AI analysis. It can be used to find better moves or mistakes from any games.

Implemented editor command to delete all variations in the game.

Now Ai assumes 0 komi, when analysing all hadicap games, including 1 handicap games.

Supporter Subscription

Show downloaded tsumego collection after download.

Hactar -Editor

Hactar Editor

Differences between Hactar Go full version and Hactar Go Lite:
1. The full version has a go opponent for 13x13 and 19x19 boards (subscription in Lite).
2. The full version has internet game search (subscription in Lite).
3. The full version offers more accurate AI analysis. Both versions offer even more accurate AI as subscription.

Differences between Hactar Go full version and Hactar Go Lite:
1. The full version has a go opponent for 13x13 and 19x19 boards (subscription in Lite).
2. The full version has internet game search (subscription in Lite).
3. The full version offers more accurate AI analysis. Both versions offer even more accurate AI as subscription.

Double-tapping a variation letter gives options to delete the variation, make it the main variation or make it part of the game.