KnightVision can help beginning to intermediate players improve at the game of chess. You improve by developing fluency with the pieces, especially the knight. The knight can take a long time to master and KnightVision provides focused practice at this key skill.
KnightVision also demonstrates and helps the user internalize important chess principles such as attacking a pawn chain at its base, attacking pawns from the side or from behind, and the power of a rook on the seventh rank. You develop skill at knight maneuvers which is another critical chess skill.