Event: Division 1

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Opponent Rating Result
Gavin R Lock 2164 0 - 1
Mark C Rich 2219 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1992 = (4383 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
Jon AN Lawrance 1871 ½ - ½
Paul J Kelly 1845 0 - 1
Geoffrey H James 2042 ½ - ½
Julian Clark 1815 ½ - ½
James C Mansson 2062 ½ - ½
Leo Woning 1787 0 - 1
Peter Larwood 1878 ½ - ½
W John Marshall 1761 ½ - ½
Anthony Giles 1774 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1782 = (16835 + 400 * (0 - 2)) / 9)