Event: D&DCL Div 3

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Opponent	Rating	Result
Colin Ross	1485	0 - 1
Roger W Walker	1584	½ - ½
Lee Garratt	1388	1 - 0
Dudley Thorpe	1348	1 - 0
Alex Abdullahi	1532	0 - 1
Graeme Drayton	1337	1 - 0
Graham J Pace	1499	½ - ½
Andy Bacon	1382	½ - ½
Lee Garratt	1367	1 - 0
Gilberto Templo	1105	1 - 0
Douglas Bramley	1348	1 - 0

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

1543 = (15375 + 400 * (6 - 2)) / 11)