Track the puck at the last contact
The IIHF 2026/27 rulebook explains gaining the centre red line in terms of the puck on the player’s stick reaching that line, not the player’s skate. A body moving across halfway can therefore create a misleading impression.
A defender stretches forward to send the puck down the ice. The leading skate is beyond the red line, but the puck is still behind it when played. Freezing only the skate answers the wrong location question. Compare another release in which the puck itself reaches the line before being played away.
Two questions, two parts of the rink
The release location is one part of an icing assessment; what happens as the puck travels towards the opposing goal line is another. A camera at the far end can show the later race while omitting the puck’s original position.
Use the centre-line replay to establish the first part and the wider end-zone sequence for the later judgment. This article isolates the gain-the-line reference rather than replacing the full icing rule with a single halfway-line test. It explains why a player can appear to have crossed halfway while a potential icing remains.
Questions answered
Does the leading skate determine whether the puck gained the red line?
No.
Does that one location decide every icing requirement?
No. The later sequence also matters.
Sources & further reading
Official references for the subjects discussed. Service terms and device software can change.