Time Control

A game may require a set number of moves in a given time, which makes a playing clock and full move-by-move transcription obligatory (10.1, 10.2.1, 10.2.2); A game may instead give each player a fixed time to the end, in which case the clock is obligatory but recording is not (10.3, 10.4); Clock ...

Send this to your friend — argument over.