Event: HDCA Summer League Section 1

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Opponent	Rating	Result
Stephen Crow	154	½ - ½
Paul GE Carter	129	0 - 1
Alec Grice	138	1 - 0

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

140 = (421 + 400 * (1 - 1)) / 3)