Event: 5th Simon Bartlett Memorial Intermediate

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Opponent	Rating	Result
David R Rogers	1692	0 - 1
Lynne J Fursman	1572	0 - 1
Malcolm A Roberts	1680	0 - 1

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

1248 = (4944 + 400 * (0 - 3)) / 3)