国际象棋组合的百科全书，第 3 卷，由《国际象棋情报》编著

2024年10月13日

* Added training mode based on Spaced Repetition - it combines erroneous exercises with new ones and presents the more suitable set of puzzles to solve.
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements