Event: Larry Guard League

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Opponent Rating Result
Paul Green 94 0 - 1
T Klaus Tekniepe 73 1 - 0
James H Parsons 67 1 - 0
Edward L Pryce 65 1 - 0
Paul Green 94 1 - 0
Michael Ghillyer 56 1 - 0
Michael Ghillyer 56 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

358 = (505 + 400 * (6 - 1)) / 7)

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