Event: Autumn Blitz Ladder (5|2)

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Opponent Rating Result
David P Jones 0 1 - 0
Jacob Mulligan 1122 0 - 1
Yvonne Cowan 0 1 - 0
Edward Hackford 1525 0 - 1
David P Jones 1483 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

826 = (4130 + 400 * (2 - 2)) / 5)

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