Classic StrategoCompetitions in the original game include the "Classic Stratego World Championships", the "Classic Stratego Olympiad" and several National Championships from various different countries.Ultimate Lightning StrategoIn this version of the game, each side has only 20 pieces. A few pieces have variant moves and there are a few rules differences. Games take only a fraction of the time needed for Classic Stratego. Competitions in this version include the "Ultimate Lightning World Championships" and the "Ultimate Lightning European Championships".Duel StrategoThe version is played with 10 pieces per side on an 8×10 board. Competitions in this version now include the "Stratego Duel World Championships," which were held for the first time in August 2009 (Sheffield, England).Stratego BarrageTo force decisions in knock-out stages in tournaments, in 1992 Stratego Barrage was developed by Marc Perriëns and Roel Eefting. In this "Quick-Stratego" a setup can be made in one minute and played in 5 minutes. The eight pieces with which Barrage is played are the Flag, the Marshall, the General, 1 Bomb, 1 Miner, 2 Scouts and the Spy. Since 1992 Dutch Championships and since 2000 World Championships in Barrage have been organised. Cambodian Champion is Sor Samedy, Dutch Champion (2014) is Ruben van de Built, World Champion (2013) is Tim Slagboom.