Event: Cambs Division 1

Opponent Rating Result
Francis J Bowers 1930 ½ - ½
Raymond J Ilett 1938 0 - 1
Neil Greenwood 1788 ½ - ½
Paul Spencer 1675 0 - 1
Peter Baddeley 1533 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1613 = (8864 + 400 * (0 - 2)) / 5)

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