Event: SCCU County Championship: U1650

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Opponent	Rating	Result
C Andrew J Costeloe	1645	½ - ½
David Flewellen	1635	½ - ½
Jeffrey Page	1644	½ - ½
C Andrew J Costeloe	1645	½ - ½
Richard Duncalfe	1993	1 - 0
Ryan Colclough	1624	0 - 1

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

1698 = (10186 + 400 * (1 - 1)) / 6)