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Birmingham & District Chess League
2019
400 Max
Event: 400 Max
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Excel
Opponent
Rating
Result
Thomas Bonney
50
0 - 1
Paul Bignall
51
0 - 1
Thomas Bonney
50
1 - 0
Paul Bignall
51
0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games
-150 = (202 + 400 * (1 - 3)) / 4)
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