blackjack21 does not use engines, databases nor any other kind of tools except the skull.
"temporarily out of service"
Rating Trend (last 50 games)
|All Games Played||1336|
|Moves This Month||0|
|Tourn. Entry Rating||1640|
|90 days||1 Year||5 Years|
|Opponent Average Rating||1749||1763||1595|
- Moves This Month is the number of moves made since the 1st of the month.
- Highest Rating excludes provisional (first 20) games.
- 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.
- Last refreshed on 27 Apr '11 .