Event: Division 2

Opponent Rating Result
Jon EW Blackburn 141 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

141 = (141 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
David A Hallen 120 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

520 = (120 + 400 * (1 - 0)) / 1)

Opponent Rating Result
Paul G Clifford 120 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

520 = (120 + 400 * (1 - 0)) / 1)