Jun
29
2012
When is a goal not a goal?
So what’s the problem?
The definition of a goal has been clear ever since football codified its rules in the mid-19th century: for a goal to be scored, all of the ball must cross all of the line. Most disputed goals result from defenders illegally returning the ball into play after it has crossed the line, but significant numbers occur without any human intervention at all. Perhaps the most famous example is Geoff Hurst’s second goal at the 1966 World Cup final between England and West Germany. His shot cannoned off the crossbar and was judged to have bounced behind the goal line before rebounding back into play.
Using Mathcad Dr Ken Bray explores the merits of goal line technology.
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