Event: Weymouth U1550 2023

Opponent Rating Result
Martyn J Maber 1548 0 - 1
Ken Jackson 1339 1 - 0
Shaun Walsh 1237 1 - 0
Paul A Bland 1498 0 - 1
Paul G Broderick 1323 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1469 = (6945 + 400 * (3 - 2)) / 5)

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