Opponents time increasing everytime

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Avatar of aritg
while playing 1 minute game, opponent makes many moves but his time does not decrease whereas my time decreases despite his move taking longer. either some hacking is done or system design issues are there in time decrement.
Avatar of notmtwain
aritg wrote:
while playing 1 minute game, opponent makes many moves but his time does not decrease whereas my time decreases despite his move taking longer. either some hacking is done or system design issues are there in time decrement.

https://support.chess.com/article/423-why-did-the-clock-times-suddenly-change-the-clocks-seem-broken