Event: Peter-Div1TestingGrading

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Opponent Rating Result
Anon Newboy 100 ½ - ½
Rod S Wardlaw 137 ½ - ½
Peter Damms 155 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

264 = (392 + 400 * (1 - 0)) / 3)

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