Event: 4-Board Division 1

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Opponent	Rating	Result
Stuart Sharp	1539	½ - ½
John Scotter	1476	1 - 0
Ian Scott	1610	1 - 0

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

1808 = (4625 + 400 * (2 - 0)) / 3)