Event: Division Three

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Opponent Rating Result
John Snead 1744 0 - 1
Roger Beeson 1126 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1435 = (2870 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
David Heaton 1557 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1157 = (1557 + 400 * (0 - 1)) / 1)