Event: Quickplay KO Plate 2024-25

Opponent Rating Result
Roger Waddingham 1420 0 - 1
Roger Waddingham 1420 1 - 0
Roger Waddingham 1420 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1287 = (4260 + 400 * (1 - 2)) / 3)

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