Event: Division 1

Opponent Rating Result
Tom Bird 2038 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1638 = (2038 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Dave J Elliott 1711 1 - 0
Edward Blanden 1796 ½ - ½
David C Goddard 1612 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1840 = (5119 + 400 * (1 - 0)) / 3)