Event: 4-Board Division 2

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Opponent	Rating	Result
Joseph Catto	100	0 - 1
Ghai Chong	80	½ - ½
Jason Clemmey	91	1 - 0
William I Wright	107	½ - ½
Steve Tomlinson	89	0 - 1
N Charles Clayton	99	0 - 1
Steve J Thrower	101	0 - 1
Jason Clemmey	91	½ - ½

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

-55 = (758 + 400 * (1 - 4)) / 8)