Event: Club Championship

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Opponent Rating Result
Robert Perry 1174 0 - 1
Gwyn Price 1100 1 - 0
Gwyn Price 1100 1 - 0
Roger Coleman 1236 1 - 0
Robert Perry 1174 0 - 1
Martin J Chadwick 1304 0 - 1
Raymond F Rhodes 1241 0 - 1
Martin J Chadwick 1304 0 - 1
Raymond F Rhodes 1241 0 - 1
Roger Coleman 1236 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1091 = (12110 + 400 * (3 - 6)) / 10)

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