Event: 54th Cotswold Minor

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Opponent	Rating	Result
Nick Sampays	1532	0 - 1
Gary Brown	0	½ - ½
John R Sellen	1447	0 - 1
Ian Leslie	1407	0 - 1
Steve R Wilson	1444	0 - 1

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

846 = (5830 + 400 * (0 - 4)) / 5)