Event: Division 1

Opponent Rating Result
Mike Bramson 1987 1 - 0
Paul Solomons 1851 0 - 1
Gerald Cuaresma 1952 ½ - ½
Mark D Crowther 2162 0 - 1
James Hall 2020 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1834 = (9972 + 400 * (1 - 3)) / 5)

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