Event: NSDCA Division 3

Opponent Rating Result
David M Rose 1535 ½ - ½
Andrew Barker 1560 ½ - ½
Nigel Gardner 1558 ½ - ½
Alberto Gissi 1636 0 - 1
David M Rose 1535 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1565 = (7824 + 400 * (1 - 1)) / 5)

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