Vladimir Korolkov and Kotov Mitrofanov were two highly esteemed chess educators of the 20th century. Both born in the early 1900s, they devoted their lives to the study and teaching of chess, leaving a lasting impact on the chess community.
Their approach to chess education focused on the key role of understanding the positional aspect of the game and utilizing it to gain an advantage. They often employed tactics that involved building a strong pawn structure, which could be used to restrict the movement of the opponent's pieces and gain control of the board.
The works of Korolkov and Mitrofanov on chess tactics and strategies are still widely studied and respected by players of all skill levels. Their emphasis on the importance of positional play and strong pawn structure continues to be a widely-followed approach in chess education. The legacy of Korolkov and Mitrofanov lives on through the many players who have been influenced by their teachings.