Event: A Division

Opponent Rating Result
Michael J Creaney 140 ½ - ½
Kevin J Wilson 160 ½ - ½
Richard VM Hall 176 0 - 1
Matthew Jackman 178 0 - 1
Keith J Smith 152 ½ - ½
Brian R Myers 144 ½ - ½
Mariana Mosnegutu 188 0 - 1
David Richardson 128 1 - 0
Graham W Matthews 127 ½ - ½
Royce Parker 136 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

73 = (1529 + 400 * (1 - 3)) / 10)

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