Event: Division 1

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Opponent	Rating	Result
Dragoljub Sudar	159	0 - 1
Graeme Jennings	173	0 - 1
J Stuart Williams	179	0 - 1

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

-230 = (511 + 400 * (0 - 3)) / 3)