Event: NCCA League Division 4

Opponent Rating Result
Isaak Leverett 1639 0 - 1
Anne Louise Bishop 1440 1 - 0
Edward Hackford 1632 1 - 0
David B Elsey 1344 0 - 1
Tommy Mack 1500 0 - 1
Charley James 1500 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1376 = (9055 + 400 * (2 - 4)) / 6)

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