Event: One East

Opponent Rating Result
Chris J Gant 1990 0 - 1
John Tennyson 2020 ½ - ½
M Mohammed Ashraf Hossain 1750 1 - 0
Liam M Hylands 1968 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1832 = (7728 + 400 * (1 - 2)) / 4)

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