a recognized sequence of moves at the beginning of a game of chess
first or beginning
becoming open or being made open
a ceremony accompanying the start of some enterprise
the first performance (as of a theatrical production)
a recognized sequence of moves at the beginning of a game of chess
a board game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king
weedy annual native to Europe but widely distributed as a weed especially in wheat
