Event: Division 3

Opponent Rating Result
Pavlo Demchuk 1857 1 - 0
David Hatton 1791 ½ - ½
Richard Myers 1759 1 - 0
Mike Herbert 1673 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2070 = (7080 + 400 * (3 - 0)) / 4)

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