Event: NSDCA MMS Division 1

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Opponent	Rating	Result
Michael A Lee	1668	0 - 1
S Ali Arshad	1193	1 - 0
Malcolm A Roberts	1668	½ - ½
Stephen J Emmerton	1644	0 - 1
Stephen J Emmerton	1644	1 - 0
S Ali Arshad	1193	½ - ½
Caroline L Mountford	1607	0 - 1
Leslie J Fancourt	1563	1 - 0

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

1523 = (12180 + 400 * (3 - 3)) / 8)