Event: Combined Banks and Insurance Chess League 2005-06

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Opponent Rating Result
Steven JF Walsh 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Richard J Walsh 0 1 - 0
Brendan Keenan 0 1 - 0
Martin Lake 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (3 - 0)) / 3)