databuff writes: About six weeks ago, Slashdot reported a competition to find a chess rating algorithm that performed better than the official Elo rating system. The competition has just reached the halfway mark and the best entries have outperformed Elo by over 8 per cent. The leader is a Portrugese physicist, followed by an Israeli mathematician and then a pair of American computer scientists. The fact that Elo has been so comprehensively beaten is a sure sign that half a century after it was developed, it's due for an upgrade.
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