Event: NSDCA Division 2

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Opponent	Rating	Result
Roger W Walker	1655	1 - 0
Chris P Hankey	1775	½ - ½
Neville Layhe	1690	1 - 0
David Lambton	1792	1 - 0
Dylan E Cooper	1535	0 - 1
Andrew Mowat	1771	0 - 1
Stephen J Emmerton	1545	1 - 0
Stephen Brown	1381	1 - 0

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

1793 = (13144 + 400 * (5 - 2)) / 8)