Event: Combined Banks and Insurance Chess League 2012-13

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Opponent Rating Result
Nitin Adlakha 0 1 - 0
Neil T Davies 0 ½ - ½
Anthony R Kent 0 1 - 0
D Ian Calvert 0 1 - 0
Mark Chamberlain 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

240 = (0 + 400 * (3 - 0)) / 5)

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

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