Event: NCCA League Division 4

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Opponent	Rating	Result
Neal Foster	1500	1 - 0
Martin Griffin	1488	½ - ½
Anne Louise Bishop	1444	½ - ½
Colin Goodchild	1386	½ - ½
Bruce M Carman	1518	0 - 1
Bharath Klass	1675	0 - 1
David P Jones	1482	½ - ½
Karina Chan	1650	0 - 1

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

1418 = (12143 + 400 * (1 - 3)) / 8)