Event: Richardson Cup

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Opponent Rating Result
Alan S McIntosh 150 1 - 0
Peter Ackley 191 ½ - ½
Peter Micklethwaite 162 ½ - ½
David M Adams 193 0(def) - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

301 = (503 + 400 * (1 - 0)) / 3)

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