Event: SCCU Under 14 / U1700 league

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Opponent	Rating	Result
Jonathan Brennan	1189	0 - 1
Oscar Frydman-Orsteen	1226	½ - ½

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

1008 = (2415 + 400 * (0 - 1)) / 2)