Event: Baum Trophy summer league

Opponent Rating Result
Ashraf Hossain 1817 1 - 0
Ashraf Hossain 1817 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2017 = (3634 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Peter Jaszkiwskyj 1983 0 - 1
Peter Jaszkiwskyj 1983 1 - 0
Edison Figueroa 1766 1 - 0
Edison Figueroa 1766 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1975 = (7498 + 400 * (2 - 1)) / 4)