For posting:
- invitations to games (you can also use the New Game menu)
- information about upcoming tournaments
- discussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position ... speculation on who has an advantage or the benefits of potential moves is not permitted)
- links to interesting related sites (non-promotional)
a castled king, which is attacked in "classical" way - g4, h4, opening a line, queen, rook - can be defended by rooks at the "other side (a7, a8) or queen.
i tried sometimes such an attack, but often failed.