
I finally have a handle on my idea
for three-person CHESS.
The Big Bang Theory Season 4, Episode 22

Despite my deep love of CHESS,
lasers and aerosol disinfectant...
The Big Bang Theory Season 2, Episode 18

If it's like your 3-D CHESS game,
The Big Bang Theory Season 10, Episode 10

In 4-D CHESS...
No.
The Big Bang Theory Season 7, Episode 1

When we played CHESS earlier, you were
terrific, and I can't wait to play you again.
The Big Bang Theory Season 1, Episode 10