Event: Division 2

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Opponent	Rating	Result
Adam M Squibbs	2005	0 - 1
Chris J Todd	1907	1 - 0
Chris C Sherwood	1954	0 - 1

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

1822 = (5866 + 400 * (1 - 2)) / 3)