Event: NSDCA Division 2

Opponent Rating Result
Martin F Frisher 1746 ½ - ½
George Bulbeck 1546 1 - 0
Carmel J Barwick 1647 0 - 1
Alberto Gissi 1669 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1752 = (6608 + 400 * (2 - 1)) / 4)

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