Event: St Andrews Summer Tournament

Opponent Rating Result
Ronald Botham 1112 ½ - ½
Henrik Salbol 1324 0 - 1
Dan Malbon 1300 0 - 1
David Atkin 1326 1 - 0
Darren Tomlinson 1076 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1068 = (6138 + 400 * (1 - 3)) / 5)

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