Event: Durham League Division B

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Opponent Rating Result
Theo Jenkins 1666 1 - 0
Francis Batchelor 2052 ½ - ½
Peter Harker 1733 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2084 = (5451 + 400 * (2 - 0)) / 3)

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