Event: Reading-Chess-Challengers

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Opponent Rating Result
Seth Warren 1739 0 - 1
James C Moody 1662 1 - 0
Ilan G Dwek 1701 0 - 1
Krish Keshari 1633 0 - 1
Hussien Mohamed 1942 0 - 1
David Johnson 1721 0 - 1
David V Deane 1763 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1566 = (12161 + 400 * (2 - 5)) / 7)

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