But these guys don't seem to be following the standard rules.

First stage is played by hopping per the standard rules.

According to all the standard rules of the game.

The war then took place according to the standard rules of conventional warfare.

According to www.korttipelit.net there are no standard rules to determine who continues the play after a challenge.

You may be able to apply for a standard rules permit.

The inside follows no standard rules and can be any flavor.

This extends the game when there are too few players for the standard rules.

Usually, the first player to do this is the victor (standard rules).

But beyond that, there are a few standard rules to follow.