Every Russian Schoolboy Knows: Practical Endgames - Part 2

The purpose of endgame studies is two-fold. One thing is to discipline your thinking and teach yourself to calculate carefully to the end, which is essential for endgame play. As the material on the board diminishes, the probability of your opponent making mistakes lessens, and you may not be given another chance to recover. Another part is acquiring a practical knowledge of typical endgame positions that may occur in your games. This four-part series mainly focuses on the latter. 
Video 2: The addition of a pair of knight, as seen from Kumar-Brodsky, changes the outlook. Active play generated by a R+N combo makes a king walk to support the passed pawn a dubious affair. Instead of trying to promote his pawn, the attacker focuses on using it as a decoy, while willing to transpose into positions with pawns just on the same side of the board. Everything heavily depends on tactics. At the end of the game in question Black missed a series of winning lines, because of imprecise calculating.