Event: St Albans Qualifier

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Opponent Rating Result
Charlie J Ball 1520 1 - 0
Avik Nath 0 1 - 0
Steve Sezer 1621 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1447 = (3141 + 400 * (3 - 0)) / 3)

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