Event: Division 1

Opponent Rating Result
Richard R Welford 1956 ½ - ½
Laurence A Butt 1807 1 - 0
Nicholas H Skinner 1850 ½ - ½
Robert McDonald 1804 0 - 1
Jaco Klue 1662 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1896 = (9079 + 400 * (2 - 1)) / 5)

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Opponent Rating Result
Brendan J Ruane 1968 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1968 = (1968 + 400 * (0 - 0)) / 1)