Jerguš Pecháč (born 31 October 2001) is a Slovak chess grandmaster.

[1] He came third in the U-12 European Youth Chess Championship in Prague in 2012.

[3] He was nominated by the FIDE president as a replacement in the Chess World Cup 2021, where he faced Alexandr Fier in the first round.

Earlier, in an online World Cup qualifier, he gained attention by offering Boris Gelfand a draw after Gelfand had left his queen en prise following a mouseslip.

This biographical article relating to a Slovak chess figure is a stub.