Event: Division Two

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Opponent Rating Result
Ben Graff 1753 0 - 1
Roy A Lawrence 1762 0 - 1
Iain Kings 1365 0 - 1
Peter W Leary 1752 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1358 = (6632 + 400 * (0 - 3)) / 4)

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