Event: 4-board Division 3

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Opponent	Rating	Result
Henrik Salbol	1325	1 - 0
N Charles Clayton	1490	½ - ½
Jonathan R Slater	1300	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1505 = (4115 + 400 * (1 - 0)) / 3)