Event: HDCA Summer League Division 1

Opponent Rating Result
Keith Thompson 162 ½ - ½
Graham Chesters 162 0 - 1
Mark I Collinson 184 ½ - ½
Richard O Callis 144 1 - 0
Paul SN Kendall 176 ½ - ½
Zak Farley 162 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

165 = (990 + 400 * (1 - 1)) / 6)

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