Event: NCCA League Division 3

Opponent Rating Result
David W Moore 1461 1 - 0
John Stevens 1566 0 - 1
George Lyall 1723 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1717 = (4750 + 400 * (2 - 1)) / 3)

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