Event: 6-Board Division 2

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Opponent	Rating	Result
Stuart Sharp	1405	0 - 1
Dominik Pitel	1352	0 - 1
Dave M Cooper	1448	½ - ½
Mark Robinson	1375	1 - 0
Jonathan R Slater	1300	0 - 1
Ronald Botham	1112	1 - 0
Steve J Thrower	1457	0 - 1

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

1236 = (9449 + 400 * (2 - 4)) / 7)