Timer and Written Aids

Use of a timer is mandatory (1.4.4), and the rules govern its position, precedence, neutralisation and malfunction (1.4.2, 1.4.3, 1.4.5, 1.4.6); Score sheets and separate tile-tracking lists are permitted written aids (1.5.1, 1.5.2); Electronic and other devices during play are separately restric...

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