Event: Division 2

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Opponent	Rating	Result
Joe Ledgerton	1624	0 - 1
Dave W Littlemore	1439	½ - ½
David Simm	1341	0 - 1

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

1201 = (4404 + 400 * (0 - 2)) / 3)