Event: U1650R summer league

Opponent Rating Result
John V Jestico 1422 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1022 = (1422 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Wladyslaw Zalejski 206 ½ - ½
Ashwin GopiKrishna 1134 0 - 1
Ralph McHugh 1244 1 - 0
Wladyslaw Zalejski 206 ½ - ½
Cole Walsh 1094 ½ - ½
Ralph McHugh 1244 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

788 = (5128 + 400 * (1 - 2)) / 6)