Event: Division 2 West

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Opponent	Rating	Result
Theo Gough	130	½ - ½
Philip M Chapman	146	½ - ½
Martin I Willis	110	½ - ½
Theo Gough	130	½ - ½
Philip M Chapman	146	0 - 1
Chris TJ McKinley	142	0 - 1
Simon W Gray	106	1 - 0
Adrian Byrne	131	½ - ½

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

80 = (1041 + 400 * (1 - 2)) / 8)