.SG3 File

The sg3 file extension is associated with the ChessDB the multi-platform database software used to store chess games.

The .sg3 file contains saved chess game. It is stored in simple text format, you can view a content of sg3 file in the text editor.

How to open:

Use ChessDB to open *.sg3 game files.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.