Event: Frank Terrill Trophy

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Opponent Rating Result
Roger Threlfall 1661 ½ - ½
Mike Peers 1452 ½ - ½
Alan T Woollaston 1591 0 - 1
Kevin Hurney 2047 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1488 = (6751 + 400 * (0 - 2)) / 4)

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