Event: 6-Board Division 2

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Opponent Rating Result
Edward Stamp 1444 0 - 1
Neil Hambly 1456 ½ - ½
Sean Smith 1414 0 - 1
Richard O Callis 1675 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1197 = (5989 + 400 * (0 - 3)) / 4)

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