Event: IM Brown Shield

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Opponent Rating Result
Ronan Chan 1952 0 - 1
Gawain Ako 1738 0 - 1
Leo A Keely 1935 0 - 1
Peter J Mulleady 1986 0 - 1
Dave Colledge 1673 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1537 = (9284 + 400 * (0 - 4)) / 5)

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