Event: Division 4

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Opponent Rating Result
Peter Ackland 1524 1 - 0
Andreas Stalidis 1595 0 - 1
John D Robinson 1612 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1710 = (4731 + 400 * (2 - 1)) / 3)

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Opponent Rating Result
Michael Dean 1399 ½ - ½
Thomas Booth 1411 1 - 0
Julian Bartram 1298 1 - 0
Philip Geary 1394 ½ - ½
Samson Main 1938 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1568 = (7440 + 400 * (2 - 1)) / 5)