Event: Five Counties Div 2

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Opponent	Rating	Result
Dhairye Gauri	0	1 - 0
Avyukt Dasgupta	1619	½ - ½
Sridhar Balachandar	0	½ - ½
Brendan Barry	1309	1 - 0
Kate Walker	1707	1 - 0
David Bourne	1293	½ - ½
Charlie J Ball	1490	1 - 0
Matthew Bailey	0	1 - 0

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

1177 = (7418 + 400 * (5 - 0)) / 8)