Rules
What is a illegal position in chess?
- Rules
- Legality
- Result
Illegal position is a rules concept: 1. A position in a game that is a consequence of an illegal move or an incorrect starting position. In a game, verify the exact rule before making assumptions, because one detail can change the result.
What to look for on the board
- Whether the move is legal.
- Whether the rule changes the result.
- Whether a special case applies.
Free game review
See where illegal position decides your games
Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.