Event: WDCL Division 2

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Opponent	Rating	Result
Callum Miller	0	1 - 0
Ken Johnson	1728	½ - ½
Sean Murphy	1390	1 - 0

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

1306 = (3118 + 400 * (2 - 0)) / 3)