ERIMANew: Astral Fish - tiny songs for your phone.

Smart Game Format, commonly abbreviated as SGF, has become a common file format for storing game records of board games for two players.

Here’s another slice of awesomeness: any image of Go game seen on Sensei’s Library links to an SGF file that opens in desktop Go apps. So if you find a Tsumego you would like to study further, just click on the image and open it up in your desktop app!