Event: St Mary's Qualifier

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Opponent	Rating	Result
Jaydon Sloanes	0	½ - ½
Kyran McIntyre	0	1 - 0
Tom Weinstein	1586	½ - ½

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

662 = (1586 + 400 * (1 - 0)) / 3)