Checkmate is worth all of the pieces.
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in Arabic checkmate is مات
No, you do not need to say "checkmate" on the first move. But if you actually checkmate him, say "checkmate" or just "mate" to remind the opponet you won.
Checkmate in Rio was created in 1964.
Deryni Checkmate was created in 1972.
The population of Checkmate Solutions is 6.
Checkmate Solutions was created in 2003.
You make checkmate when you capture the opponent's king.
There are many possibilities to get a checkmate in 10 moves, so there is not official "10 turn checkmate".
a false checkmate is when someone calls "checkmate" in a chess game and if you can move without getting out then it is a false checkmate. If they call it you get to go 2 times. :) enjoy your chess game!
Checkmate is a situation where the king can't escape check, ie, to have a checkmate, the king must be in check. In a mate such as Fool's Mate, the first and only check, is also checkmate.
Deryni Checkmate has 302 pages.