Event: A Division

Opponent Rating Result
Stephen Ormerod 157 1 - 0
David Wise 192 0 - 1
Peter Ridsdale 155 ½ - ½
Andrew M Smith 165 0 - 1
Mariana Mosnegutu 188 0 - 1
Bernard Price 153 ½ - ½
Royce Parker 136 0 - 1
Jonathan Sams 155 ½ - ½
Andrew Killick 155 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

73 = (1456 + 400 * (2 - 4)) / 9)

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