Event: Division Five

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Opponent Rating Result
Robert (Bob) Carter 1508 1 - 0
Ray Bettam 1512 ½ - ½
Paul Bignall 1503 0 - 1
Des J Green 1142 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1416 = (5665 + 400 * (1 - 1)) / 4)

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