Gata Kamsky vs. Henry Steel at the 2014 Chess Olympiad

This game is between Gata Kamsky and one of South Africa's best players, Henry Steel.  Henry Steel shows amazing skill to defeat the super grand master.

I do not understand this game well enough to analyse it correctly (even with the help of Stockfish), so please add any insights into this game in the comments.  This game comes from the 2014 Chess Olympiad held in Norway, all the games from the Olympiad can be downloaded from: https://chess24.com/en/olympiad2014/games/pgn).