Event: Division One

Opponent Rating Result
Ian Duvall 1989 ½ - ½
Roger D de Coverly 1973 ½ - ½
Anthony CP Milnes 1957 0 - 1
Alastair Mitchell-Baker 1880 1 - 0
Christopher J Archer-Lock 2005 0 - 1
Ian Duvall 0 ½ - ½
Nigel D Smith 1952 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1679 = (11756 + 400 * (2 - 2)) / 7)

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