Event: Division One

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Opponent Rating Result
Russell A James 2102 0 - 1
Anthony Sadler 1842 ½ - ½
David Smith 1797 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1647 = (5741 + 400 * (0 - 2)) / 3)

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Opponent Rating Result
Derek Green 1607 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2007 = (1607 + 400 * (1 - 0)) / 1)