The Offside Farce: Why Semi-Automated Technology Will Only Deepen VAR's Chaos

The myth of precision is killing the sport's soul

The Premier League is sleepwalking into a trap of its own making. Semi-automated offside technology, heralded as the saviour of VAR, will not end controversy — it will manufacture a new breed of farce. The league's obsession with millimetric accuracy has already turned goal celebrations into hostage situations, and this upgrade will only tighten the straitjacket.

When did offside become a geometry test?

Football's offside rule was never designed for millimetric precision. For a century, the decision relied on the naked eye: was the attacker level? The benefit of the doubt belonged to the goalscorer. That served the game well. Since VAR's introduction, we have seen goals disallowed for an armpit, a heel, a stray knee. The average delay for offside checks is 71 seconds — longer for marginal calls. Semi-automated tracking, using 12 cameras and an ankle sensor in the ball, will cut that to perhaps 30 seconds. But the fundamental problem remains: the rule itself is broken, and technology only amplifies its absurdity.

The International Football Association Board (IFAB) has resisted changing the offside law to require a daylight gap, preferring to let technology define 'interfering with play' down to the pixel. This is cowardice dressed as innovation. The Premier League approved semi-automated technology for the 2024-25 season, but the underlying algorithm still relies on fixed thresholds — usually 50 millimetres or less. That is not a rule; it is a computer's whim.

The argument: technology cannot legislate for common sense

Semi-automated offside systems, already trialled in the Champions League and Serie A, have not ended debate. They have shifted it. In a Champions League group stage match in October 2023, a goal was allowed because the attacker's big toe was deemed onside by 2 millimetres. Replays showed the defender's trailing leg was playing him on — but because the system only tracks 29 body points, the leg position was missed. The system's 'accuracy' is only as good as its model.

In Serie A, the system flagged 12 'offside' goals in the first two months of 2023-24 that were later overturned on appeal because the camera frame rate (50fps) could not capture the exact moment of the pass.
At the 2022 World Cup, semi-automated technology reduced average check time to 25 seconds, but still missed a clear offside in the Japan-Spain group match because the ball's sensor failed to register a touch accurately.
The Premier League's own trial of the system in 2023 showed a 98% accuracy rate for offside decisions — but the 2% of errors were all 'factual' mistakes that technology should have eliminated. The margin for error is now smaller, but the impact of each error is greater.

The real issue is not speed or accuracy. It is the rule itself. A player who is 3 millimetres offside has gained no unfair advantage. The offside law was intended to prevent goal-hanging, not to dissect anatomy. By outsourcing the decision to a computer, we pretend the problem has been solved. It has only been automated.

The counter-argument: better technology is still better

Supporters of semi-automated offside point to the reduction in delays — from 70 seconds to 25 — and the removal of subjective human error. They argue that a millimetre-perfect offside is still an offside, and that consistency is the highest virtue. 'If the rule says offside, then offside it is,' they say. 'The technology merely applies the law as written.'

This is a lawyer's answer, not a football fan's. The law as written was never meant to be applied with such granularity. Imagine applying every traffic law with zero tolerance: you would pull over a driver doing 31 in a 30 zone. That is exactly what VAR does. The Premier League could easily change the interpretation to require a clear gap — a so-called 'daylight' rule. They choose not to. Why? Because semi-automated technology vendors need to sell a product, and a vague rule does not generate revenue. The league prioritises commercial partnership over common sense.

Verdict: the chaos will deepen, and a new crisis is coming

Here is my prediction: within 18 months of semi-automated offside's full Premier League rollout, a goal will be disallowed in a title-defining match because a defender's toenail kept an attacker onside — or because a striker's earlobe was deemed offside by 5 millimetres. The ensuing uproar will force IFAB to finally consider a daylight amendment. But by then, the damage will be done. The Premier League will have spent millions on a system that entrenches the very philosophy that has poisoned the game: that perfect accuracy is attainable and desirable. It is not. Football is a sport of flow, not a laboratory. The sooner the authorities admit that their pursuit of precision is a fool's errand, the sooner they can restore the game's soul. Until then, prepare for more farce — automated, but farce nonetheless.