Event: Division 1

Opponent Rating Result
David A Morgan 1705 ½ - ½
Graham P Alcock 1794 ½ - ½
Sampson E.D. Low 1870 ½ - ½
Gaston Franco 2105 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1769 = (7474 + 400 * (0 - 1)) / 4)

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