Event: League Division Two

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Opponent	Rating	Result
Roy G Watson	1549	0 - 1
Roy G Watson	1549	0 - 1
David Riley	1631	0 - 1
George Salmon McConnachie	1300	0 - 1
John Conway	1613	0 - 1
Nigel W Morris	1554	0 - 1
David Copson	0	½ - ½
David Filer	1619	½ - ½
John B Hall	1526	½ - ½

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

1105 = (12341 + 400 * (0 - 6)) / 9)