Event: Division 2

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Opponent Rating Result
Clive A Hill 1428 1 - 0
John A Duff-Cole 1394 ½ - ½
John C Staplehurst 1479 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1567 = (4301 + 400 * (1 - 0)) / 3)

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Opponent Rating Result
Peter Kukiewicz 1349 0 - 1
Andrew Todd 1500 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1225 = (2849 + 400 * (0 - 1)) / 2)