Event: League Division Three

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Opponent Rating Result
Philip May 98 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

498 = (98 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Robert Dennington 0 ½ - ½
S Neil Bolton 79 0 - 1
Paul Hardy 111 0 - 1
C Barry Taylor 135 0 - 1
Helmut Auer 102 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-75 = (427 + 400 * (1 - 3)) / 5)