Event: Billingham Synthonia Chess Club August 2024 Rapid

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Opponent Rating Result
Brian Whitaker 1644 0 - 1
Dave Elsdon 1350 0 - 1
Nicola Harrington 1272 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1289 = (4266 + 400 * (1 - 2)) / 3)

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