Event: IM Brown Shield

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Opponent Rating Result
Angelica Rowe 1595 ½ - ½
Peter Gregory 1586 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1791 = (3181 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Simon Skinner 1601 ½ - ½
Chris J Terrington 1542 ½ - ½
Kai Taylor 1510 1 - 0
Steve Withington 1690 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1686 = (6343 + 400 * (1 - 0)) / 4)