Event: A&B Division

Opponent Rating Result
Giuseppe Magazzu 1942 ½ - ½
Jonathan Sams 1814 1 - 0
Stephen J jnr Roe 1708 1 - 0
Richard J Harris 1780 1 - 0
Steven B Booth 1908 1 - 0
Ray Honeybourne 1682 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2072 = (10834 + 400 * (4 - 0)) / 6)

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