Event: WMA Autumn League Division 1

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Opponent	Rating	Result
Steve Crees	1600	1 - 0
Matt Gardner	1600	1 - 0
Nick Hanne	1600	0 - 1
Marcus Walsh	1876	0 - 1
Nick Hanne	1337	½ - ½
Steve Crees	1600	0 - 1
Matt Gardner	1600	½ - ½
Nick Hanne	1600	1 - 0
Marcus Walsh	1876	0 - 1
Nick Hanne	1337	1 - 0

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

1603 = (16026 + 400 * (4 - 4)) / 10)