Chorlton High played for 40 minutes when they were <u>knocked out</u>.
Each match have <u>two halves</u> of 20 minutes each.
If the teams are level at the end of normal play, <u>two</u> extra <u>10-minute</u> periods are played.
If it is still a draw, teams take <u>penalty shots</u> at goal to decide the winner.
Chorlton High were eventually knocked out in the semi-final (<u>without extra time</u>).
So, they played for <u>two halves</u> of 20 minutes each.
Therefore, they played for 40 minutes when they were <u>knocked out</u>.
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