Event: Dave Luckin Trophy

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Opponent	Rating	Result
H Gokhan Kizilay	1714	0 - 1
Rupert Marsden	1657	0 - 1
Robert Davies	1660	½ - ½
Alexander Punnett	1250	1 - 0
Michael Chung	1610	0 - 1
Michael Gilyatt	1650	½ - ½
Ken R Chamberlain	1602	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1478 = (11143 + 400 * (1 - 3)) / 7)