Event: Std Games

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Opponent	Rating	Result
Fredy Reber	1187	1 - 0
David Clifford	835	1 - 0
Jasper Jeffs	1444	0 - 1

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

1289 = (3466 + 400 * (2 - 1)) / 3)