Event: Division 4

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Opponent Rating Result
Vanorld Vanderpuye 1043 1 - 0
Grenville Wollerton 1789 0 - 1
Graham I Ladds 1904 ½ - ½
Trevor FW Lewis 1503 1 - 0
Jim Wellington 1540 ½ - ½
Tomasz D Adamski 1748 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1588 = (9527 + 400 * (2 - 2)) / 6)

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