Delta rhythm is a 1-4 cycle per second wave pattern seen on electroencephalographic examination and associated with deep sleep.
\nI sometimes play well and then lapse into coma vigil overlooking the obvious, alas.
Tournament Entry Rating is calculated by the formula (CurrentRating + HighestRating) / 2. The entry rating will never drop to more than 100 points below your Highest Rating.
Rated stats are updated within 24 hours of the last completed rated game.