![Checkmate.
Checkmate.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate.
The Big Bang Theory Season 11, Episode 15
![Oh, is it? We're conversing.
Checkmate.
Oh, is it? We're conversing.
Checkmate.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Oh, is it? We're conversing.
Checkmate.
The Big Bang Theory Season 3, Episode 11
![Checkmate on Sheldon.
Checkmate on Sheldon.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate on Sheldon.
The Big Bang Theory Season 4, Episode 22
![I believe that is
flag to crotch four, checkmate.
I believe that is
flag to crotch four, checkmate.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I believe that is
flag to crotch four, CHECKMATE.
The Big Bang Theory Season 10, Episode 10
![Checkmate would be irreversible. Checkmate would be irreversible.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate would be irreversible."
Money Heist Season 1, Episode 8