Event: Division Two

Opponent Rating Result
Jack O Moss 1858 0 - 1
Sebastian Tudor 1783 1 - 0
Andrew N Lake 1797 0 - 1
Gordon SG Christie 1796 1 - 0
Shahab U Quraishi 1899 0 - 1
Phil Maddocks 1751 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1747 = (10884 + 400 * (2 - 3)) / 6)

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