Event: League Division 3

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Opponent Rating Result
Ivor Timmis 1466 0 - 1
Steve A Spencer 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

533 = (1466 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Alan Store 1480 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1880 = (1480 + 400 * (1 - 0)) / 1)