You make checkmate when you capture the opponent's king.
A player declares checkmate - when he is certain his opponent can make no more legal moves.
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.
Checkmate is worth all of the pieces.
There are many possibilities to get a checkmate in 10 moves, so there is not official "10 turn checkmate".
Deryni Checkmate has 302 pages.
checkmate is when your king cannot move any or he will get killed
Nothing - mate is just short for checkmate.