Event: Division 5

Opponent Rating Result
David A Fuller 122 1 - 0
Robert Perry 79 1 - 0
Oliver J Horrocks 88 1 - 0
Raymond F Rhodes 91 ½ - ½
Philip Wright 90 1 - 0
David A Hallen 107 1 - 0
Joseph P Alcock 95 1 - 0
Peter Shaw 100 ½ - ½
Amy Lovatt 118 0 - 1
Neville S Jones 104 0 - 1
Peter Shaw 100 0 - 1
Stuart IE Green 74 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

231 = (1168 + 400 * (7 - 3)) / 12)

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