Event: LCA Division 1

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Opponent Rating Result
Stuart MacDonald 1861 ½ - ½
Stephen CV Prior 2215 0 - 1
Paul A Chaplin 1493 0 - 1
Joanne Hutchinson 1748 ½ - ½
Allan Marshall 1578 ½ - ½
Bernard Pratten 1748 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1707 = (10643 + 400 * (1 - 2)) / 6)

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