Event: Division B

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Opponent Rating Result
Gordon L Glover 1567 0 - 1
Ronnie Sutton 995 0 - 1
Neil Treadwell 1536 0 - 1
Alex Porter 1503 0 - 1
Con Carey 1507 0 - 1
Neil Treadwell 1536 0 - 1
Shaun Tumelty 1500 0 - 1
Donna Chadwick 1297 0 - 1
Donna Chadwick 1297 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1104 = (12738 + 400 * (1 - 8)) / 9)

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