Event: Club Championship

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Opponent	Rating	Result
Martin J Chadwick	1304
Gwyn Price	1100
Roger Coleman	1236
Raymond F Rhodes	1241
Robert Perry	1174
Martin J Chadwick	1304
Gwyn Price	1100
Roger Coleman	1236
Raymond F Rhodes	1241
Robert Perry	1174

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

0 = (0 + 400 * (0 - 0)) / 0)