The linked article includes animations for each of the different cases

    • NOT_RICK@lemmy.world
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      4 months ago

      Similar, there’s just no blue line. The “line” in football is just wherever the rearmost defender happens to be standing.

      • JonC@programming.dev
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        4 months ago

        Technically, the line is at the second to last opponent in the direction of attack.

        The usual case is that the goalkeeper is the last opponent, so the line is at the last defender. If the keeper comes forward past some of the defenders, then the line would be at the second last defender.

        The attacker also has to be ahead of the ball to be offside, which doesn’t seem to be mentioned in the link. You could have two attackers, both in offside positions, but if the one with the ball passes to the second attacker and the second is behind the ball when the pass is made, then it is not offside.

        • NOT_RICK@lemmy.world
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          4 months ago

          I never even considered the goalie being past a defender, but that’s a good distinction.

          • JonC@programming.dev
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            4 months ago

            Yeah, it’s one of those scenarios that happens so infrequently that people rarely think about it.

            Until it does happen and then everyone gets confused!

    • hddsx
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      4 months ago

      Is it? My friend tried to explain hockey to me once. I still don’t understand

      • ramjambamalam
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        4 months ago

        You can’t just hang out in the opponent’s end and wait for someone to pass you the puck. The puck needs to be carried in, or dumped in and then chased after it crosses the line.

      • NOT_RICK@lemmy.world
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        4 months ago

        More or less. It’s just that rather than the rearmost defender setting the location of offsides it’s a blue line that indicates where the “offensive zone” starts.