Event: Division 3

Opponent Rating Result
David Bernatowicz 0 0 - 1
Wilson Ransome 1583 1 - 0
Mary Helen Deans 1624 ½ - ½
Djad Ben-Eshak 1353 1 - 0
David Websdale 1420 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1196 = (5980 + 400 * (2 - 2)) / 5)

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