Event: 7 Cs 2021

Opponent Rating Result
S Ali Arshad 1190 ½ - ½
Roger J Edwards 1610 1 - 0
Peter Hiscock 1193 1 - 0
David Millington 1625 1 - 0
Colin Abell 1528 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1749 = (7146 + 400 * (4 - 0)) / 5)

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