A number that measures a player's relative strength. The higher the number, the stronger the player. In the UK, the term grading is used in place of rating.
Reaching an identical opening position by a different order of moves. For example, the French Defense is usually reached by 1.e4 - e6, 2.d4 - d5, but 1.d4 - e6, 2.e4 - d5 ...
A player may claim a draw if he can demonstrate that a three-fold repetition of the position has occurred, with the same player having the move each time.
The voluntary offer of material for compensation in space, time, Pawn structure, or even force. A sacrifice can lead to a force advantage in a particular part of the board. ...
A long, green, cylinder-shaped member of the gourd family with edible seeds surrounded by mild, crisp flesh. Used for making pickles and usually eaten ...
14 Terms
