![Checkmate.
Checkmate.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate.
The Big Bang Theory Season 12, Episode 17
![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
![Checkmate would be irreversible. Checkmate would be irreversible.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate would be irreversible."
Money Heist Season 1, Episode 8
![Checkmate.[groans]
Checkmate.[groans]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Checkmate.[groans]
The Big Bang Theory Season 12, Episode 7