Event: Hillingdon Div 3

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Opponent Rating Result
David Websdale 1427 ½ - ½
James Lyons 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

514 = (1427 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Maximillian Papachristos 1680 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1280 = (1680 + 400 * (0 - 1)) / 1)