Event: Cambs Division 1

Opponent Rating Result
Raymond J Ilett 1928 0 - 1
Andrew J Chapman 1957 1 - 0
John Beck 1817 ½ - ½
Raymon Gompelman 1835 1 - 0
Neil Greenwood 1825 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1952 = (9362 + 400 * (2 - 1)) / 5)

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