Event: Durham League Division A

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Opponent	Rating	Result
Theo Jenkins	1781	0 - 1
Mick Fenton	2120	½ - ½
Kevin J Wilson	1958	1 - 0
Alex Potter	1662	1 - 0
Fedir Dyshliuk	1815	1 - 0
Paul R Bielby	1926	1 - 0
Richard J Harris	1774	1 - 0

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

2091 = (13036 + 400 * (5 - 1)) / 7)