Event: LCA Division 2

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Opponent Rating Result
Paul A Chaplin 1465 ½ - ½
Ash Keatley 475 0 - 1
Michal Trafas 475 0 - 1
Rico-Bradley Ellis 475 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

423 = (2890 + 400 * (0 - 3)) / 4)

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