Event: Division A

Opponent Rating Result
David A Phillips 183 1 - 0
Roy Ellames 198 ½ - ½
Peter E Jowett 187 1 - 0
Roy Ellames 198 1 - 0
Barry J Hymer 176 ½ - ½
Peter E Jowett 187 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

322 = (1129 + 400 * (3 - 1)) / 6)

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