Event: 4-Board Division 1

Opponent Rating Result
Derek A Sheppard 1720 ½ - ½
Luke Julyan 1650 ½ - ½
Edward S Oxley 1755 ½ - ½
John Thackray 1921 0 - 1
Luke Julyan 1658 ½ - ½
Sean Smith 1528 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1705 = (10232 + 400 * (1 - 1)) / 6)

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