Event: Weymouth U1550 2023

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Opponent Rating Result
Phil Stevens 1436 0 - 1
Dave Williams 1389 0 - 1
Ian Leslie 1429 1 - 0
Andre Labouchardiere 1297 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1388 = (5551 + 400 * (2 - 2)) / 4)

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