
Daily brain games with a chess-style Elo rating
21 quick brain games for logic, memory, attention and flexibility, with a chess-style Elo rating for each skill area plus an overall one. Daily games, weekly leagues and friend challenges. Get it on Google Play or play free in your browser.
Pace needs two or more snapshots. This launch has 1, so velocity and momentum read as unmeasured rather than zero.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.