GoGrinder

GoGrinder is for practicing Go problems.

Improving your reading is the fastest way to get stronger at Go, and solving problems is the best way to improve your reading.

* Comes with 497 problems, and you can easily add your own collections.

* Keeps track of % correct and average time on collections so you can track your progress.

* Randomly rotates problems to encourage learning key shapes instead of memorizing problems.