Event: SCCU County Championship: U2050

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Opponent	Rating	Result
Ivan J Myall	1994	0 - 1
Paul Kennelly	1848	½ - ½
Matthew H Shaw	1934	0 - 1

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

1659 = (5776 + 400 * (0 - 2)) / 3)