Event: Autumn OTB Division 3

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Opponent Rating Result
Jamie Thompson 1780 ½ - ½
Thomas AJ Jones 1990 0 - 1
Aidan M Rawlinson 2215 0 - 1
Austin C Elliott 1885 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1668 = (7870 + 400 * (0 - 3)) / 4)

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