Event: Dave Luckin Trophy

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Opponent Rating Result
Ken R Chamberlain 1611 ½ - ½
Robert Davies 1648 ½ - ½
Michael P Foss 1516 ½ - ½
David A Varley 1677 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1513 = (6452 + 400 * (0 - 1)) / 4)

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