Event: Open

Opponent Rating Result
Philip Purcell 163 0 - 1
John Pitcher 205 0 - 1
John E Crump 169 0 - 1
Rajeev P Raghavan 0 ½ - ½
Marek J Soszynski 138 0 - 1
Philip Purcell 163 0 - 1
John Pitcher 205 0 - 1
John E Crump 169 0 - 1
Rajeev P Raghavan 0 0 - 1
Marek J Soszynski 138 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-225 = (1350 + 400 * (0 - 9)) / 10)

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