Event: 54th Cotswold Minor

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Opponent	Rating	Result
Yihua Ding	1157	1 - 0
Chris Pringle	0	0 - 1
Edwin Brown	0	½ - ½
Nick Sampays	1532	1 - 0
Chris Pringle	0	0 - 1
Lawrence Northam	1780	1 - 0
Patrick P Sartain	1487	0 - 1

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

851 = (5956 + 400 * (3 - 3)) / 7)