Event: Reading-Chess-Championships

Opponent Rating Result
Dylan Wastney 1969 0 - 1
James N Stayt 1920 ½ - ½
Volodymyr Mylovanov 1887 ½ - ½
Remi GJ Tailleux 2049 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1756 = (7825 + 400 * (0 - 2)) / 4)

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