Event: 4-Board Division 1

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Opponent	Rating	Result
John E Sugden	111	1 - 0
John Thackray	166	0 - 1
Stephen Crow	150	1 - 0
Shaun E Taylor	131	½ - ½
J Gerry Johnstone	120	½ - ½
Michael C Hackett	127	1 - 0
John Thompson	101	1 - 0

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

301 = (906 + 400 * (4 - 1)) / 7)