Event: 4th Simon Bartlett Memorial Intermediate

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Opponent Rating Result
Anuurai Sainbayar 1560 1 - 0
Malcolm A Roberts 1662 ½ - ½
Robert G Wilby 1667 0 - 1
Mike P Maher 1692 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1645 = (6581 + 400 * (1 - 1)) / 4)

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