Event: SCCU County Championship: u1850

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Opponent	Rating	Result
Mark RA Murrell	1809	1 - 0
Robert E Lane	1803	½ - ½
James Fox	1778	½ - ½

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

1930 = (5390 + 400 * (1 - 0)) / 3)