Event: Division Two

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Opponent Rating Result
Robert F Willmoth 202 ½ - ½
Robert F Willmoth 202 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2 = (404 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Geoffrey L Bishop 142 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

542 = (142 + 400 * (1 - 0)) / 1)