Mastery is calculated as the number of wins out of 100 consecutive games for beginner, intermediate or expert difficulty. Mastery is calculated for each difficulty, but only the best result is used for scoring.
Win streak
Win streak is a consecutive sequence of won games for beginner, intermediate or expert difficulty. Win streak is calculated for each difficulty, but only the best result is used for scoring.
Maximum difficulty solved. The difficulty of the map can be seen by hovering over the icon when choosing custom board size.
Endurance
Endurance is the minimum amount of time taken to win 100 games within 24 hours for beginner, intermediate or expert difficulty. Endurance is calculated for each difficulty, but only the best result is used for scoring.