Event: SCCU Under 14 / U1700 league

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Opponent Rating Result
Sammy Hedges 1401 ½ - ½
Yicheng Ding 969 0 - 1
John Brown 1345 1 - 0
Alistair Jennis 1351 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1267 = (5066 + 400 * (1 - 1)) / 4)

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