old school chess notation

You probably mean https://www.chess.com/forum/view/general/anyone-miss-descriptive-notation
The notation itself should be explained sufficiently on Wikipedia: https://en.wikipedia.org/wiki/Descriptive_notation
You probably mean https://www.chess.com/forum/view/general/anyone-miss-descriptive-notation
The notation itself should be explained sufficiently on Wikipedia: https://en.wikipedia.org/wiki/Descriptive_notation