Event: Division 5

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Opponent Rating Result
Adam Stevenson 1450 0 - 1
Anbalagan Marimuthu 1379 1 - 0
Stephen Morley 1394 0 - 1
Albert Biermann 1045 0 - 1
Jim Wellington 1488 0 - 1
R (Bob) Abrahart 1604 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1260 = (8360 + 400 * (2 - 4)) / 6)

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