Event: A&B Division

Opponent Rating Result
Graham W Matthews 1592 ½ - ½
Stephen J jnr Roe 1708 0 - 1
Dominic Leigh 1692 ½ - ½
Luke Owen 1889 0 - 1
Darren John Donnison 1512 1 - 0
Ray Honeybourne 1682 0 - 1
James Urwin 1638 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1559 = (11713 + 400 * (1 - 3)) / 7)

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Opponent Rating Result
Bernie Callaghan 1294 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1694 = (1294 + 400 * (1 - 0)) / 1)