The Polgar-Kasparov Touch-Move Controversy
In round 5 of Linares 1994, then the strongest tournament in the world, 18-year-old Judit Polgar was pressing reigning World Champion Garry Kasparov in a Sicilian Scheveningen. Kasparov, in trouble, moved his knight from d7 to c5, appeared to realise it was a mistake, and returned it to d7. Television footage later showed his hand had left the piece for six frames, a quarter of a second at 24 frames per second, which under the touch-move rule should have meant the knight had to stay on c5.
The position Polgar had built
Playing the Black side of a Najdorf-style Sicilian with the Scheveningen pawn structure (pawns on d6 and e6), Polgar had outplayed the World Champion into real difficulty, exactly the kind of position where a single accurate move can end a game against the best player alive. Kasparov's knight hovering from d7 to c5 and back was not idle fidgeting, it was a real player searching for a move that did not exist.
Why an 18-year-old didn't call it
Under the rules, Polgar could have called the arbiter and had Kasparov forced to move the knight to c5, very possibly a losing move in that position. She did not call it in the moment. Calling a touch-move violation on the reigning World Champion, live, as a teenager three years into her career, is a different act than noticing a violation on video after the fact, and it is worth being honest about how much pressure that moment actually carried.
What happened when she saw the tape
When Polgar later reviewed the footage and saw her hand-count confirmed, she confronted Kasparov directly, asking how he could have done it. He maintained that his conscience was clear, saying he was not aware his hand had left the piece. The tournament arbiter was separately criticised for not acting once the video evidence became available, since a touch-move ruling does not require the incident to be caught live if it can be verified afterward.
Three years of silence
Whatever actually happened in Kasparov's hand for that quarter of a second, the relationship cost was real and lasted three years, an unusually long, public rupture between two players who would otherwise have shared a board regularly on the elite circuit. That alone tells you how seriously Polgar took it, and how little either side was willing to simply let it go as a footnote.
Try it yourself
The touch-move rule exists precisely because "I didn't mean to let go" is unverifiable in the moment and only sometimes verifiable after it. Next time you play a slower over-the-board game, treat every piece pick-up as a commitment before you lift it, not after, the discipline costs nothing when your position is fine and saves you exactly this kind of dispute when it isn't.