4.6
2022-07-25
Added privacy policy to indicate this app doesn't collect any data.
4.5
2020-05-11
Add ability to choose level. Lower levels provide more time to answer but yield less points for correct answers. Add setting to turn off sound effects. Fixed Game Center for bishop and knight game.
4.4
2020-03-11
Supports devices of all shapes and sizes. Simplified scoring. Added animations.
3.1
2014-08-26
minor bug fixes
reviewed all answers and verified 100% accuracy for rules described in Michael de la Maza's book "Rapid Chess Improvement"
3.0
2013-03-23
Separate high scores for each type of game; rook, bishop, knight.
Add leaderboard (game center)
2.0
2013-01-05
make it work on iPhone
bug fixes
limit the number of high scores saved
add a way to clear all high scores