Go resources
In this section we’ll suggest the best websites, apps, servers and other resources that we are using ourselves to study and play Go and that have stood the test of time.
Where to play Go online
Online Go Server — a modern European server. Very simple registration process, and the client runs in any modern browser. It is offering both turn-based and real-time playing modes.
GoQuest — online server for playing Go on 9×9 and 13×13 boards. The games are fast-paced and exciting here. There are always enough players to start a game within a minute any time of day. It’s the best choice in case you want to play a game but you don’t have much time. There are apps for Android and iOS available.
Other Go Servers
Kiseido Go Server — a slightly old-fashioned but still popular Go server among non-Asian countries. The interface and client are translated into many languages. The client works on Java and can be used for viewing and editing Go games. The KGS client is available on Android.
Fox Go Server — probably the most popular Chinese server. It’s easy to start a game, lots of strong players. There is an English version of the client but it still has Chinese characters in it.
Tygem Go Server is a Korean server. There is an English client app for iPad and Android. It’s similar to Fox Go Server both in terms of interface and the level of players.
Pandanet — the oldest Japanese online Go server. It used to be called IGS (Internet Go Server). There are easy-to-use mobile apps for it and some European tournaments are held here.
Go Apps
Tsumego Pro — a great app for solving life&death problems. There are 3 sets of 50 basic problems to start with. The rest of the problem sets can be purchased. There are 6 problems of 3 difficulty levels posted in the app daily. Google Play | App Store
Crazy Stone — a free app for playing with a decently strong bot. Level of strength ranges from 15 kyu to 2 dan. It can be used as a game editor and as a virtual board on a tablet if you don’t have a Go set to play. Various time controls can be set. Google Play | App Store
AI / Software
Go Learning
Sensei’s Library — a huge online encyclopedia on the game of Go. There is information on almost any Go-related subjects.
Tsumego-Hero — solving life-and-death problems online. Go problem collections are updated regularly. There are levels, rewards and other features that help you stay motivated.
Black to Play — a minimalist and slick website for solving Go problems. It can run as a standalone application on most mobile devices.
Josekipedia — the most complete online joseki database. Here you can find modern variations (post AlphaGo) but beware, there are some questionable ones as well.