Event: Durham League Division 1

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Opponent	Rating	Result
Mick Fenton	0	½ - ½
Ethan Sanitt	0	½ - ½
Kevin J Wilson	0	½ - ½
Steve H Jefferies	0	1 - 0
Mick Fenton	0	½ - ½
Ned Carmichael	0	½ - ½
Richard J Harris	0	1 - 0
Paul R Bielby	0	½ - ½

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

100 = (0 + 400 * (2 - 0)) / 8)