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.
* Includes 497 problems in two sets - one suitable for beginners, and one for players around dan level.
* Allows you to easily add your own sets of problems.
* Keeps track of % correct and average time on collections so you can track your progress.
* Rotates problems and swaps colors randomly to encourage learning key shapes instead of memorizing problems.