Event: Bottom Half A&B Division

Opponent Rating Result
Martin P McLoughlin 1820 ½ - ½
Jake Pearson 1600 0(def) - 1
Benjamin Dodgson 1506 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1463 = (3326 + 400 * (0 - 1)) / 2)

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