Event: Division 1

Opponent Rating Result
Harry Lamb 1900 0 - 1
Adam Tyton 1878 ½ - ½
Tim Hilton 1967 0 - 1
Peter J Kobryn 1960 0 - 1
Nicholas MS Barnaby 1975 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1776 = (9680 + 400 * (1 - 3)) / 5)

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