Event: LCA Division 1

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Opponent Rating Result
Joanne Hutchinson 147 ½ - ½
David Scott 152 1 - 0
Steve Allott 155 ½ - ½
Keith J Palmer 161 0 - 1
John Day 112 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

225 = (727 + 400 * (2 - 1)) / 5)

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