Event: Major West

Opponent Rating Result
David Foster 1428 0 - 1
Arnold Hunt 1570 0 - 1
John D White 1833 0 - 1
Marco Flaccavento 1023 ½ - ½
Graham P Alcock 1803 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1211 = (7657 + 400 * (0 - 4)) / 5)

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