Event: Division 4

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Opponent Rating Result
Trevor FW Lewis 1490 0 - 1
Graham J Gibson 1599 0 - 1
Nilesh Prabhakaran 893 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1194 = (3982 + 400 * (1 - 2)) / 3)

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