Event: Division 5

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Opponent	Rating	Result
Robert S Pigeon	1505	0 - 1
Paul S Collis	1537	0 - 1
Steven Hall	1267	1 - 0

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

1303 = (4309 + 400 * (1 - 2)) / 3)