Event: Division Four

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Opponent	Rating	Result
Rob Bricknell	126	1 - 0
Roland Robson	103	½ - ½
Phil F Staley	112	1 - 0
Eric Horwill	132	½ - ½
Peter W Leary	133	0 - 1
Ionut Florin Valea	116	1 - 0(def)
Lee E Collier	139	½ - ½
Peter Nixon	110	1 - 0
Lennie Johnson	105	0 - 1

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

170 = (960 + 400 * (3 - 2)) / 8)