Crossword puzzle clue "fans of black and white squares"

Fans of black-and-white squares

What black and white squares do on a chessboard

Used a black marker on ... or a hint to three chunks of black squares in this puzzle

The squares of "three squares"

Web concerns ... and based on six familiar names hidden in rows 1, 4, 12 and 15 of this puzzle grid, what the black squares in those rows symbolize

White-hat wearer in black-and-white

Busts some acrobatic moves ... and a hint to finding six moves busted across black squares in this puzzle

Angle irons graphically represented by four sets of black squares in this grid, and by letter formations starting in the four longest answers