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Hull & East Riding Chess Association
2019 Summer Season
HDCA Summer League Section 2
Event: HDCA Summer League Section 2
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Excel
Opponent
Rating
Result
F Hal Jorna
118
0 - 1
David J Gibson
114
0 - 1
Peter Morgan
47
1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-40 = (279 + 400 * (1 - 2)) / 3)
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