Event: SCCU County Championship: u2050

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Opponent	Rating	Result
Venkata Ananth Akshay Kilambi	1824	0 - 1
Andrew H Heard	1851	½ - ½

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

1638 = (3675 + 400 * (0 - 1)) / 2)