ELI5 Chess - why is the queen the most powerful piece?

Is chess a sport? Why is it so popular? How did it become a global game? Why is the queen the most powerful piece on the board? When playing with a computer on low difficulty, how does it know how to play a not so great move? Do men and women play in separate tournaments?

 

... We explain like i'm five!

 

Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: doncuneo, thescamr, johnny9991, karaps, jetpacksforall, school-yeeter, concis_pirate, matig123, delehal, polemicize & kandiru

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