<Reporter Kim Young-seong>



The state-of-the-art offside reading system introduced for the first time in this World Cup showed off its power from the opening game.

The quick capture of a situation that would not have been captured by video reading drew admiration.



This is reporter Kwon Jong-oh.



<Reporter Jong-oh Kwon> This



is the situation of Ecuador's free kick in the 3rd minute of the first half.



After winning the ball in the air, Ecuador shook the net with a wonderful scissor kick and Valencia's header.



Ecuador cheered and Qatar conceded a goal, but the referee stopped the game for a video review shortly after and declared a no-goal two minutes after the goal had been scored.



[SBS relay: Goal cancelled, goal cancelled.]



The Ecuadorian player's foot was slightly closer to the goal than the Qatari defender's offside reference point at the moment he competed with the goalkeeper to win the ball in the air.



When this situation, which is difficult to notice even with the naked eye or when the slow screen is rotated at various angles, was captured at once, exclamation continued.



[SBS Crew: Ah~ In this situation, one of Estrada's feet was inside, so the offside decision is correct.]



12 tracking cameras installed under the roof of the stadium analyze the players' joint movements 50 times per second, and the sensor in the center of the ball measures 500 times per second. As soon as the semi-automatic offside reading system, which detects the moment of kicking in a fraction of a second and captures an offside situation, was introduced in this competition, it showed its power from the opening game.



[Jang Ji-hyun/Qatar World Cup SBS commentator: It was such a moment that it was quite difficult to grasp the momentary situation with the eyes of the referee or the general public.

Without SAOT (semi-automatic offside reading system), it is highly likely that it would have just been recognized as a goal.]



A new technology that goes beyond the limits of VAR read by the human eye is putting an end to the offside controversy of a long history.



(Video editing: So Ji-hye)



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