Event: Division 1

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Opponent Rating Result
Gavyn Cooper 204 1 - 0
Andy Pickering 181 0 - 1
Paul A Johnson 159 ½ - ½
Andy Pickering 181 1 - 0
M Paul Townsend 208 ½ - ½
Peter F Mason 153 ½ - ½
Tim M Turner 161 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

292 = (1247 + 400 * (3 - 1)) / 7)

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