Event: Division 4

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Opponent Rating Result
Boris Pastukhov 0 0 - 1
Nicholas Nardecchia 1507 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

554 = (1507 + 400 * (0 - 1)) / 2)

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Opponent Rating Result
John Cleland 1539 0 - 1
Stephen W Berkley 1761 0 - 1
Hasnat Ahmed 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

967 = (3300 + 400 * (1 - 2)) / 3)