Event: NCCA League Division 2

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Opponent	Rating	Result
Tony R Larner	1465	½ - ½
George Lyall	1350	½ - ½
Matthew J Morter	1585	0 - 1
Chris Flynn	1611	0 - 1
Mark A Nettleton	1449	0 - 1
Neil Hickman	1752	0 - 1
Chris Flynn	1596	½ - ½

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

1315 = (10808 + 400 * (0 - 4)) / 7)