Event: D&DCL Div 3

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Opponent	Rating	Result
Andy Bacon	1388	0 - 1
Brian Crofts	1587	½ - ½
Roger Moors	1534	1 - 0
Michael O'Brien	0	0 - 1
Ben G Hunt	1551	1 - 0
Samuel Skinner	1169	1 - 0
Dean Davis	1278	1 - 0
Gilberto Templo	1146	½ - ½

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

1307 = (9653 + 400 * (4 - 2)) / 8)