Event: Division B

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Opponent Rating Result
Michael B Carroll 142 0 - 1
T Ben O'Rourke 125 ½ - ½
Dave S Almond 138 ½ - ½
David Tuke 135 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

35 = (540 + 400 * (0 - 1)) / 4)

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Opponent Rating Result
Asad Syed 150 ½ - ½
Steven M Flaherty 128 ½ - ½
Parshottambhi D Patel 109 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-4 = (387 + 400 * (0 - 1)) / 3)