Event: Dons Club Challengers

Opponent Rating Result
Stephen F Crane 1463 1 - 0
Colin R Payne 1702 1 - 0
Geoffrey R Moore 2078 1 - 0
David E Hall 1903 0 - 1
Biran S Shah 1805 ½ - ½
David J Payne 1759 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1918 = (10710 + 400 * (3 - 1)) / 6)

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