Event: Bolton League Cup Div 2

Opponent Rating Result
John C Skipworth 1535 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1935 = (1535 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Leo Cheung 1310 1 - 0
John Shortt 1457 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1584 = (2767 + 400 * (1 - 0)) / 2)

Opponent Rating Result
Brian J Forrest 1408 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1808 = (1408 + 400 * (1 - 0)) / 1)