Event: 4th Simon Bartlett Memorial Minor

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Opponent	Rating	Result
Anthony Tatam	1536	1 - 0
Piran Wills	1555	0 - 1
Jack Wills	1556	1 - 0
Lana Boztas	1431	1 - 0
Aritra Paul	1421	½ - ½

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

1660 = (7499 + 400 * (3 - 1)) / 5)