Event: Open Rapid-play

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Opponent Rating Result
Bruce L Baer 2127 0 - 1
Tim A Lane 1930 ½ - ½
Bruce L Baer 2127 0 - 1
Tim A Lane 1930 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1829 = (8114 + 400 * (0 - 2)) / 4)

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