abstract:Duell is a two-player chess variant played with dice on a board of 9x8 squares. Players take turns moving one of their dice in order to capture their opponent's pieces, with the ultimate aim of capturing the opponent's king to win the game.
Flights that were scheduled to cross the southern half of the area were delayed an average of 30 minutes, said Mark Duell of FlightAware.com, a flight-tracking website.