Event: Cambs Division 2

Opponent Rating Result
Paul Spencer 1748 ½ - ½
John D Wright 1581 1 - 0
Steven M Ashworth 1476 ½ - ½
Paul Spencer 1748 ½ - ½
Michael R English 1405 1 - 0
Jimmy Blair 1467 1 - 0
Peter Baddeley 1622 ½ - ½
Gus Stewart 1000 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1706 = (12047 + 400 * (4 - 0)) / 8)

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