Event: Division Two

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Opponent	Rating	Result
Jonathan B Hunt	146	½ - ½
Mike P Maher	149	0 - 1
Ron Neale	143	0 - 1
Mark A Drugan	151	½ - ½
Geoffrey N Stokes	132	½ - ½
Stephen J Crockett	146	½ - ½
Glenn F Windows	133	½ - ½
Frank C Jimenez	145	0 - 1
Graham J Ball	0	½ - ½

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

-6 = (1145 + 400 * (0 - 3)) / 9)