Event: SCCA Division 3

Opponent Rating Result
Trevor Wright 1316 0 - 1
Raf Calumpiano 1125 1 - 0
Hugo E Brown 1333 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1258 = (3774 + 400 * (1 - 1)) / 3)

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