Event: Division 2

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Opponent Rating Result
Ian G Kelly 1834 0 - 1
James Lumsden 1819 0 - 1
Eric Granzelius 1850 0 - 1
R Alan Barton 1855 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1440 = (7358 + 400 * (0 - 4)) / 4)

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Opponent Rating Result
Adrian Cload 1612 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1612 = (1612 + 400 * (0 - 0)) / 1)