Event: Eastman Cup

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Opponent Rating Result
Maria-Alexandra Ciocan 2058 1 - 0
Graham DJ Keane 2179 ½ - ½
Tim M Joslin 1822 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2286 = (6059 + 400 * (2 - 0)) / 3)

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