Rabbit hunting is generally against tournament rules, partially because it gives away information.

A number of changes were made to the tournament rules.

Note that the tournament rules vary from organization to organization.

This newspaper used the word "hockey" for the throwing line in their tournament rules, and may have been the first to do so.

Unless specific tournament rules forbid it, players may agree to a draw at any time.

This article gives the basic accepted tournament rules and some popular home variations.

According to tournament rules, players are not allowed to confer or be helped by others.

We're playing strict tournament rules and taking the full four minutes for each move.

Before the game players choose their armies in a certain way, predefined by tournament rules.

Under tournament rules, suspended games are resumed instead of started over if they aren't official.