Event: 4 Board League A

Opponent Rating Result
Andrew C Wainwright 2021 0 - 1
Ian Jewsbury 1701 0 - 1
David Barlow 2024 0 - 1
Jamie Kubisa 1797 0 - 1
Dave Sykes 1528 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1414 = (9071 + 400 * (0 - 5)) / 5)

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