Event: Northamptonshire Silver King League Division 2

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Opponent	Rating	Result
Ioan Strugar	1635	0 - 1
Tim Broad	1530	½ - ½
Joshua Stojkovic	1325	1 - 0

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

1497 = (4490 + 400 * (1 - 1)) / 3)