Suppose my opponent in a tournament was running very low on time, and after move 40, presses the clock and leaves the board for a while, falsely believing they will get extra time on their clock. There have been many losses on time as a result of a similar situation. In this case, is it allowed to warn your opponent of the potential danger of flagging?


2 Answers 2


In this case, is it allowed to warn your opponent of the potential danger of flagging?

Yes. The rule which limits talking to your opponent is the one which forbids annoying the opponent, article 11.5 -

11.5 It is forbidden to distract or annoy the opponent in any manner whatsoever. This includes unreasonable claims, unreasonable offers of a draw or the introduction of a source of noise into the playing area.

If your opponent has left the board and you remind him of the time control this cannot be interpreted as distracting or annoying. It is helpful.

  • The question doesn’t state which rules apply. Your quote is from the FIDE rules. I presume the USCF rules are similar, but am not familiar with them. Nov 16, 2020 at 14:03

Assuming the opponent got away from the chessboard, but nearby another game which takes place at a tournament, the only thing you should be careful, is not harassing the other players.

Whispering your opponent that he or she is gonna lose because of the 40 move bonus that didn't apply is noble. You show some class this way, something missing from a lot of chess players nowadays.

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