Event: League Division 1

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Opponent Rating Result
Lackson Mzizi 1871 0 - 1
Roger W Jennings 1901 0 - 1
Thomas LeGood 0 ½ - ½
Andy Ross 1666 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1160 = (5438 + 400 * (0 - 2)) / 4)

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