Is it not chess?

Arkas :

-I remember a crossword, which tormented me! I was trying to solve it for days, but it was impossible! ... Finally I understood what was the catch!
-It was chess!

xkcd : http://xkcd.com/1287/

Daryl Cagle : http://www.nbcnews.com/slideshow/usnews/cartoons-daryl-cagle-looks-back-at-the-decade-34481082/36/

Jan Tomaschoff : http://www.toonpool.com/cartoons/Chess_50401

ericallie : https://www.ijreview.com/2013/09/78874-cartoon-obama-winning-bingo-checker-playing-chess-putin/