Event: NCCA League Division 3

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Opponent	Rating	Result
Charlie Giggle	1511	0 - 1
Madhurima De	1325	1 - 0
Joe Ross	1650	0 - 1
John Stevens	1563	0 - 1
Rupert P Martin	1509	0 - 1
David W Moore	1483	1 - 0
John Stevens	1561	0 - 1
Olly Shaw	1526	0 - 1

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

1316 = (12128 + 400 * (2 - 6)) / 8)