Event: Division One

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Opponent Rating Result
Aloysius Lip 164 0 - 1
Gayara Seekkuge 131 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-53 = (295 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
John Hayton 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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