Event: September Quickplay

Opponent Rating Result
Joseph Machin 1480 0 - 1
Phil Wales 1562 0 - 1
Malcolm Goldspink 1260 0 - 1
Paul Conaghan 0 0 - 1
Joe Vera-Sanso 1405 0 - 1
Neil Sotheby 1172 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

747 = (6879 + 400 * (0 - 6)) / 6)

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