Event: Mini League

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Opponent Rating Result
Paul Gelder 121 ½ - ½
Tom Devlin 106 1 - 0
C Barry Taylor 135 ½ - ½
Paul RH Clarke 151 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

128 = (513 + 400 * (1 - 1)) / 4)

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