Event: Beverley Club Championship

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Opponent Rating Result
Steve Hughes 92 0 - 1
Steve Tomlinson 102 ½ - ½
Michael C Hackett 115 0 - 1
Graham Lee 113 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-95 = (422 + 400 * (0 - 2)) / 4)

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