Event: 4th Simon Bartlett Memorial Intermediate

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Opponent Rating Result
Russell R Goodfellow 1739 ½ - ½
Robert G Wilby 1667 0 - 1
Barry Lippard 1408 1 - 0
David R Rogers 1678 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1523 = (6492 + 400 * (1 - 2)) / 4)

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