Event: City Chess League 2016-17

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Opponent Rating Result
James H Aldred 0 ½ - ½
David A Tidmarsh 0 1 - 0
Brendan Keenan 0 1 - 0
Peter A Burgoyne 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (0 + 400 * (2 - 0)) / 4)

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Opponent Rating Result
B Peter A Andrews 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (1 - 0)) / 1)