Event: Summer League (Pool B)

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Opponent	Rating	Result
Tom Bowen	1441	1 - 0
Zack Norris	1501	1 - 0
Arun Broadley	1546	1 - 0
Matthew Hammond	1738	1 - 0
Tom Bowen	1441	1 - 0
Zack Norris	1501	½ - ½
Arun Broadley	1546	0 - 1
Matthew Hammond	1738	½ - ½

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

1757 = (12452 + 400 * (5 - 1)) / 8)