Event: 6-Board Division 2

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Opponent	Rating	Result
Keith Porteous	1673	0 - 1
Phil Bawden	1823	0 - 1
William I Wright	1584	0 - 1

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

1293 = (5080 + 400 * (0 - 3)) / 3)