New to intermediate chess players do wonder what is PGN and FEN formats and how are they used in chess notations and display.
Here is a basic overview and guide for the same
FEN stands for Forsyth-Edwards Notation
Here is the famous chess game between Magnus Carlsen and V. Anand during World Chess Championship in Chennai November 2013.
The variation used is: Semi-Slav Defense: Marshall Gambit.