Event: Division 3

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Opponent	Rating	Result
Colin J Lyne	1885	½ - ½
Archie Warren	1338	1 - 0
Jonathan G Young	1578	½ - ½

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

1734 = (4801 + 400 * (1 - 0)) / 3)