Event: Division 2

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Opponent	Rating	Result
Daniel Meredith	1787	½ - ½
Eric J Brodie	1800	½ - ½
George Smith	1680	½ - ½

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

1756 = (5267 + 400 * (0 - 0)) / 3)