
...why the two of us
can't play three-person CHESS.
The Big Bang Theory Season 4, Episode 22

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

Oh. Now, what about our 3-D CHESS set?
The Big Bang Theory Season 10, Episode 10

Chess champion Bobby Fischer.
Brian Wilson of The Beach--
The Big Bang Theory Season 9, Episode 10

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