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North Gloucestershire Chess Association
2017 season
Division 2
Event: Division 2
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Excel
Opponent
Rating
Result
Richard J West
141
0 - 1
Clint P Mann
126
½ - ½
Adrian Walker
143
0 - 1
Ian P Blencowe
131
½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-65 = (541 + 400 * (0 - 2)) / 4)
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