Event: Summer League Division 2

Opponent Rating Result
Thomas Hancock 1694 0 - 1
Gerald R Thickett 1460 0 - 1
George Swanson 1653 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1202 = (4807 + 400 * (0 - 3)) / 3)

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