Event: Division 2

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Opponent	Rating	Result
Colin J Lyne	1853	½ - ½
Timothy J Davis	1962	0 - 1
Steve Harley	1737	1 - 0

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

1851 = (5552 + 400 * (1 - 1)) / 3)