You can have many different ratings on the ICC. There are ratings for bullet, blitz, standard, 1-minute, 3-minute, 5-minute, 15-minute, 45-minute which are different speeds of regular chess. There are ratings for bughouse, loser's, wild, checkers and chess960 which are for chess variants. See "help definitions" for an explanation of what these mean.
How do I see my ratings?
BlitzIn interface: Menu above: Actions > Show my ratings and notes.
Or: Menu above: Window > Info Window > My ICC > Member Information. This menu also gives you the option to see your rating graphs.
How do I see ratings of others?
Menu above: Window > Info Window > My ICC > Member Information.
Alternatively, you can type 'finger' in the command console to see your own ratings and notes.
To see another player's ratings and notes, use the 'finger' command in conjunction with their handle name.
For example: finger Eendje
For more information read "help ratings"