Event: Cambs Division 1

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Opponent	Rating	Result
Hubert Neumaier	2000	½ - ½
Robbie Coleman	1700	0 - 1
Robbie Coleman	1700	½ - ½
Colin Emery	1725	0 - 1
Hubert Neumaier	2000	½ - ½
Jose Pedro Vieira	1879	½ - ½
Neil Greenwood	1821	½ - ½
Adrian Kaszuba	1884	1 - 0

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

1789 = (14709 + 400 * (1 - 2)) / 8)