I believe that is
flag to crotch four, CHECKMATE.
The Big Bang Theory Season 10, Episode 10
- Checkmate.
- Aaarggh!
The Big Bang Theory Season 1, Episode 11
to avoid CHECKMATE, and then he did it."
Money Heist Season 1, Episode 7
...isn't that CHECKMATE
and I win?
The Big Bang Theory Season 5, Episode 18
And then CHECKMATE.
Money Heist Season 3, Episode 2