Event: Northamptonshire Silver King League

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Opponent	Rating	Result
Christopher Keech	1803	1 - 0
Hugh W Murphy	2194	0 - 1
Rajan Ganger	0	0 - 1
Michael A jnr Garland	1646	1 - 0
David P Curran	1716	½ - ½
Nigel P Young	1870	1 - 0
Martin Crichton	1953	½ - ½
Daniel Savin	0	1 - 0
Christopher Keech	1803	1 - 0

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

1576 = (12985 + 400 * (5 - 2)) / 9)