Event: Club Champ Swiss Phase

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Opponent	Rating	Result
George Allen	1178	1 - 0
Jon Hunt	1597	0 - 1
Mark Saxby	0	1 - 0
Robert Starley	2149	0 - 1
Adrian Tottenham	1517	1 - 0

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

1368 = (6441 + 400 * (3 - 2)) / 5)