
Okay. Here's what we're gonna do.
Chess clock.
The Big Bang Theory Season 6, Episode 6

Well, I have been toying around
with an idea for 4-D CHESS.
The Big Bang Theory Season 7, Episode 1

Too bad. You know the rules
of Secret Agent Laser Obstacle Chess.
The Big Bang Theory Season 2, Episode 18

...if I could add a third
new CHESS piece.
The Big Bang Theory Season 4, Episode 22

{\i1}but as in a game of CHESS,{\i0}
Money Heist Season 3, Episode 5