Event: Minor Division

Opponent Rating Result
George McCumiskey 1188 0 - 1
John A Moore 1192 1 - 0
Joe Whiley 1156 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1179 = (3536 + 400 * (1 - 1)) / 3)

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