Event: Division 3

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Opponent	Rating	Result
Alan Papier	1680	1 - 0
Jonathan Penn	1613	½ - ½
Bob R Gore	1719	1 - 0
Adrian Catchpole	1480	1 - 0
Matt Jones	0	1 - 0

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

1618 = (6492 + 400 * (4 - 0)) / 5)