Program performance over a full game can be much lower than master level.

The sword lost its power and broke when he attempted to use it below master level after logging back in.

Quite a number have been devised; they can play at master level, though their processes are quite different from a human being.

Some openings which are effective against amateur players are less effective at the master level.

Many have been created; they can play at master level, though their processes are quite different from those of a human being.

This continues until the learner reaches the master level.

However, at master level, the opening analysis may go well into the middlegame.

Walter knew just enough about it to know that black was the master level.

When he reached master level, he made a new family by turning humans.

Entering the chamber was one of the lesser scientists, one not even at the master level in training or experience.