Event: Division 3

Opponent Rating Result
Freddie Vesey 1752 1 - 0
Nigel Wright 1681 1 - 0
Keith Aiton 1876 0 - 1
John R Huthwaite 1743 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1863 = (7052 + 400 * (2 - 1)) / 4)

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