Event: League Division 1

Opponent Rating Result
Mark W White 2071 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2071 = (2071 + 400 * (0 - 0)) / 1)

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Opponent Rating Result
Richard M Cowan 2014 0 - 1
Sam Jacklin 1971 1 - 0
Jonathan Round 1938 0 - 1
Warren B Dennison 1892 1 - 0
Ben Strutt 1872 ½ - ½
Bernie T Hare 1800 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1981 = (11487 + 400 * (3 - 2)) / 6)