A computerized system for instructing a player in an athletic sport includes a screen listing a plurality of discrete physical factors describing a real or hypothetical situation in the sport. A player enters a plurality of personal discrete actions that may be taken in response to the situation. The system selects from memory a corresponding plurality of discrete actions defining an expert response to the situation. The system compares the personal discrete actions and the expert discrete actions and provides expert comments when there are differences. The actual discrete actions taken by the player and the actual results are stored, and this information as well as personal data entered by the player is used by the system in subsequently selecting an expert response adjusted to the particular player.