Event: Division 3

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Opponent	Rating	Result
Michael Paulins	1693	½ - ½
Neil D Tomkin	1646	½ - ½
Ali Hamdan	1495	1 - 0

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

1745 = (4834 + 400 * (1 - 0)) / 3)