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Sheffield & District Chess Association
2022-23
Summer League Division 4
Event: Summer League Division 4
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Excel
Opponent
Rating
Result
Lawrence Heijbroek
0
0 - 1
Stephen Gibson
1509
0 - 1
Mark A Walker
0
0 - 1
Ethan Fenton
1343
0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games
313 = (2852 + 400 * (0 - 4)) / 4)
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