To get the most out of this František Richter endgame study, I suggest acquiring a pencil and paper and then setting a timer for 45 minutes. Your goal is to find the winning line for white by mapping out all of your calculations on paper. Trying to solve a complex endgame study by writing out variations on paper within a set timeframe trains several core skills including strengthensing deep visualization/calculation. Additionally, since many endgames hinge on precise sequencing and subtle nuances, a structured paper analysis makes it easier to master the type of systematic analysis necessary to determine the optimal strategy. This process may seem arduous but take comfort knowing that the hard work will result in big gains in your chess ability.
White to move and win by František Richter, Ceskoslovensky Sach, 1952.