What ⯽ means
It marks a passed pawn. No enemy pawn ahead on its file or either neighboring file can block or capture it.
Informator, a Serbian chess magazine important since the 1960s, used compact marks so books could annotate games without relying on one language. A multilingual chess-endings encyclopedia printed the table in 1993. A 2017 Unicode proposal documented nine missing marks, including this one.
Specialist chess notation; outside a position note, its meaning may be unclear.
It marks a passed pawn, not approval.
Don't confuse it with
4Questions people ask
2Can ⯽ mean approval?
No. In chess notation it marks a passed pawn.
Why does ⯽ look different across fonts?
Fonts draw symbols differently; a font without this glyph may show a missing-character box.
How to type ⯽
⯽\2BFDCodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
