Knight and pawn endings are a common occurrence in chess and refer to endgame positions where each side has only a knight and pawns. These endings require a different type of thinking and strategy compared to other endgames, as the knight's unique jumping ability can make it difficult for the opponent to control key squares and protect their pawns. In this video, GM R B Ramesh explains the concepts to WGM Divya Deshmukh through an illustrative game played between Nimzowitsch and Tarrasch in 1925.