Event: Summer League Division 2

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Opponent	Rating	Result
Brian Crofts	1586	½ - ½
Chris Lovell	1678	½ - ½
Tom Hails	1685	0 - 1
Nathaniel Holroyd-Doveton	1696	½ - ½
Craig Chatterton	1700	0 - 1
Robert Porter	1624	0 - 1
Richard Dennis	1585	0 - 1
Brendan Stoneham	1507	1 - 0

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

1483 = (13061 + 400 * (1 - 4)) / 8)