Event: Summer League (Pool A)

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Opponent	Rating	Result
Michael Ashworth	2067	0 - 1
Thomas Weavin	1619	0 - 1
Thomas Brown	1675	0 - 1
Mitchell Darkes	1509	0 - 1
Michael Ashworth	2067	0 - 1
Thomas Weavin	1619	1 - 0
Thomas Brown	1675	0 - 1
Mitchell Darkes	1509	1 - 0

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

1518 = (13740 + 400 * (2 - 6)) / 8)