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North Gloucestershire Chess Association
2021 season
Division 2
Event: Division 2
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Excel
Opponent
Rating
Result
Ainsley Killey
1566
0 - 1
John Lightowler
1713
½ - ½
Robert Lacey
1207
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1495 = (4486 + 400 * (1 - 1)) / 3)
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