Event: MCA Division 2

Opponent Rating Result
Rick Purcell 1808 1 - 0
James Clarke 0 ½ - ½
John F Lambert 1770 ½ - ½
Barbara Novak 1775 ½ - ½
Geoffrey W Sage 1877 ½ - ½
David Williams 1756 1 - 0
Graham AG Williamson 1794 ½ - ½
David G Owens 1759 ½ - ½
T Jeff Povall 1720 ½ - ½
John Gillett 1500 ½ - ½
David CA Colbourne 1788 ½ - ½
Nikolas Korsinskij 1771 0 - 1
James Foy 1718 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1649 = (21036 + 400 * (2 - 1)) / 13)

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