Event: SCCU Under 14 / U1700 league

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Opponent	Rating	Result
Joshua Tolhurst	0	½ - ½
Bowen Chen	1316	0 - 1
Nicolas Martinez	0	0 - 1
Maximilian Hawkins	0	½ - ½
Mathias Keiller	1100	0 - 1
Lila O'Neill	1042	0 - 1
Yihua Ding	1047	½ - ½

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

415 = (4505 + 400 * (0 - 4)) / 7)