Event: NSDCA MMS Division 2

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Opponent	Rating	Result
Robert Perry	1113	0 - 1
Peter Hiscock	1193	0 - 1
Christopher Brian	1165	½ - ½
Paul G Clifford	1450	0 - 1
Julian P Cook	1338	0 - 1
Robert Perry	1113	1 - 0
Ernest Wilkinson	1443	0 - 1
Paul G Clifford	1450	0 - 1

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

1033 = (10265 + 400 * (1 - 6)) / 8)