Event: Lytham Club Championship

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Opponent Rating Result
Graham Taylor 110 ½ - ½
Ken Hopwood 0 1 - 0
Paul A Evans 184 0 - 1
Dennis Davies 103 1 - 0
Peter A Wilson 145 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

188 = (542 + 400 * (2 - 1)) / 5)

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