I'd appreciate, 1) that players who haven't finished at least one game during the last six months aren't displayed in BK's default rating list of that particular game. I.e.: 1.1) By default BK's rating list should display only players who are still playing and who are still interested in this game. 1.2) For historical reasons an additional rating list option "show all ratings" (including inactive players) would be useful.

Furthermore I'd appreciate, 2) that the rating of a player who has stopped playing a particular game "decreases by time". For example: Not having finished at least one game during the last 3 months AND not having at least one running game, counts as about one lost game in terms of rating.

My suggestion: Inactive players' BKR should be decreased by 1% per month, i.e.: A 2000-player will lose 20 points/month (or 5 points/week), a 1500-player 15 points/month (or 4 points/week), if he isn't playing and hasn't played at least one game during the last 3 months.

It 'd encourage players to defend their BKR, 'd help to keep the rating list up-to-date, and historical ratings 'd be still visible via the "show all ratings" option.

Example: The rating of a 2000-player 'd drop to 1980 after 3 months of inactivity, to 1921 (after 6 months), to 1864 (after 9 months) and to 1827 (after 12 months). Those of a 1500-player to 1485 (after 3 months), 1440 (6 mon), 1398 (9 mon) and 1370 (12 mon). A 1000-player: 990 (3 mon), 960 (6 mon), 931 (9 mon) and 913 (12 mon).