Since many players play infrequently then their grade may be inaccurate. The category given for a player gives some idea of how accurate their grade is. The following table shows how many games their grade is based upon.

Category
A	BCF Grade based on 30 or more games in previous season
B	BCF Grade based on 30 or more games in previous 2 seasons
C	BCF Grade based on 30 games in previous 3 seasons. At least 10 played in previous season.
D	BCF Grade based on at least 15 games in previous 3 seasons. At least 5 played in previous season.
E	BCF Grade based on at least 10 games in previous 3 seasons. At least 1 played in previous season.
*	Probably a misleading grade. Played at least 1 game in the last 3 seasons and does not meet any of the above criteria.
	New player. A guess.
X	30 or more Rapidplay games in the last 6 month grading period.