The first game ended in an early draw by perpetual check.
The game was eventually drawn by perpetual check on move 48.
A player is not allowed to give perpetual check.
By 1965 perpetual check was no longer in the official rules .
There is no draw by perpetual check or repetition of position.
A player is not allowed to give perpetual check to the sole objective piece.
Rxg3+ and the rook gives perpetual check along the third rank.
Offering the queen a third time, again hoping for perpetual check after 37.
Qg4+ offered good chances of a perpetual check or 20.
Kasparov jumped at the chance to start a perpetual check with 40 Ne7.
