Event: New England Club Championship 1

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Opponent Rating Result
Peter N Walker 1923 0 - 1
Steve Walker 1400 1 - 0
Chris J Russell 1552 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1625 = (4875 + 400 * (1 - 1)) / 3)

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