Event: Division RP1

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Opponent	Rating	Result
Peter J Horlock	1574	½ - ½
Gary P O'Grady	1599	1 - 0
Tim Bland	1571	0 - 1
Anthony Garrood	1595	1 - 0
James Roberts	1635	1 - 0
Peter J Horlock	1574	1 - 0
Gary P O'Grady	1599	1 - 0
Tim Bland	1571	1 - 0
Anthony Garrood	1595	1 - 0
James Roberts	1635	1 - 0

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

1875 = (15948 + 400 * (8 - 1)) / 10)