Two Premieres in Tallinn 27/02/2014

Judging System 2.1WDSF Sports Director Marco Sietas and software developer Olav Groehn used the two months between the GrandSlam finals in Shanghai and the first leg in Tallinn to refine the WDSF Judging System 2.0 further.

The primary focus of their work was to lessen the impact of systematic low/high scoring by individual adjudicators on the average/median scores for each of the four Programme Components.

In the past and with Judging System 2.0, the lowest and the highest scores both counted a constant 50% towards the median score that was computed between the three adjudicators assigned to each Programme Component. Mathematically, the lowest and the highest score were multiplied by 2 and divided by 4 to arrive at the 50% weighting of the two.

The formula used in the new version of the judging system is not quite as simple as it considers the deviation of low and high scores from the median score for their weighting. The farther off the low and high scores are from the median, the less they count.

Example: 7.0 | 7.5 | 9.5 > low score is at a distance of 0.5, high score is at a distance of 2.0 from the median > the low score counts more than the high score towards the final Programme Component score.

However complex the formula for the weighting of the adjudicators individual scores may be, it all seemed rather straightforward in the case of the Jive that Aniello Langella and Khrystyna Moshenska danced on Sunday in Tallinn. All 10s in a perfect 40 kept the math simple.

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