Event: 6 Board League

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Opponent Rating Result
Gerard P Killoran 2065 ½ - ½
Keith Marsh 1631 1 - 0
Peter Shaw 2204 0 - 1
Dave Patrick 1855 ½ - ½
Robert A Dean 1863 0 - 1
Dave Patrick 1837 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1843 = (11455 + 400 * (1 - 2)) / 6)

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Opponent Rating Result
Peter Shaw 2211 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2211 = (2211 + 400 * (0 - 0)) / 1)