Event: Division One

Opponent Rating Result
Eric F Eedle 117 ½ - ½
John Tennyson 2012 ½ - ½
Frankie Badacsonyi 2010 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1513 = (4139 + 400 * (1 - 0)) / 3)

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