Event: Schofield

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Opponent Rating Result
Joshua P Blackmore 138 0 - 1
Ian Henry 124 ½ - ½
Brian Aldwin 85 0 - 1
Richard J Smith 127 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-82 = (474 + 400 * (0 - 2)) / 4)

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