System spontaneously retracts played move from one square to another square

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Avatar of TomKalisch

Swiss private club rapid tournament had player complete a move with bishop to a3 and then 3 seconds later without any prompting from this player the system retracted move to c5 with a red line showing between a3 and c5(where it was captured for free on c5).How does this happen??

Avatar of Martin_Stahl
TomKalisch wrote:

Swiss private club rapid tournament had player complete a move with bishop to a3 and then 3 seconds later without any prompting from this player the system retracted move to c5 with a red line showing between a3 and c5(where it was captured for free on c5).How does this happen??

 

Probably premoves were on and it was an accidental premove.

Avatar of TomKalisch

What is a premove?