Event: MH Brown Summer League Section 1

Opponent Rating Result
Alec Grice 1628 1 - 0
Oleg Dukalev 1750 0 - 1
Jim A Hawksley 1850 ½ - ½
Andrew D Bettley 1787 ½ - ½
Thomas L Hackett 1778 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1759 = (8793 + 400 * (1 - 1)) / 5)

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