Event: Division 2 - Weston Trophy

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Opponent	Rating	Result
Andrew P Baxter	136	1 - 0
Michael Clark	0	1 - 0
Joseph B Bradey	0	0 - 1

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

179 = (136 + 400 * (2 - 1)) / 3)