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Cannock & District Chess League
2021 season
Division 2
Event: Division 2
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Excel
Opponent
Rating
Result
Mike A Biddle
1788
0 - 1
Peter M Collins
1735
½ - ½
John Grant
1623
0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1449 = (5146 + 400 * (0 - 2)) / 3)
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