Knight and Pawn endgame

Rubidium

Chess.com has been extremely helpful in giving computer analysis after I played internet games. I played against the Sodium Attack (A00) and failed to refute my opponent's strange opening play. I eventually drew after playing a roughly equal knight and pawn endgame with just a few inaccuracies. 


Almost all comments are from post game analysis.

Feel free to include your own knight and pawn endgames as well. 

Rubidium

Here are some basic positions in knight endgames:

And here is a nice puzzle for more advanced players: