ChessBase is a personal, stand-alone chess database that has become the standard throughout the world. Everyone uses ChessBase, from the World Champion to the amateur next door. It is the program of choice for anyone who loves the game and wants to know more about it.
Note that in the replay windows below you can click on the notation to follow the game.
The endgame two knights vs pawn probably does not belong to the standard mating procedures you need to master. But I found the following example so instructive that I could not resist the temptation to analyse it. Black's pawn has crossed the Troitzky-Line a4-b6-c5-d4-e4-f5-g6-h4, so that drawing and losing zones for the defending king exist. In this case it is imprisoned near the dangerous h8 corner so that White can win:
