Event: League Division One

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Opponent	Rating	Result
Paul A Johnson	159	½ - ½
Daniel Alsina Leal	241	0 - 1
Mark D Crowther	189	0 - 1
Ihor Lewyk	184	½ - ½
John Hall	180	½ - ½
Warren B Dennison	179	½ - ½
Tom Brown	181	0 - 1

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

16 = (1313 + 400 * (0 - 3)) / 7)