Event: NCCA League Division 2

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Opponent	Rating	Result
David J Twitchell	1877	½ - ½
Trevor J Ansell	1903	0 - 1
David J Twitchell	1849	1 - 0
Les G Gladwell	1637	1 - 0
Armando Galletti	1796	1 - 0
Edward T King	1646	1 - 0
Chris Flynn	1580	0 - 1
Robert E Rickard	1761	1 - 0
Biran S Shah	1808	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1851 = (15857 + 400 * (5 - 3)) / 9)