Event: NCCA League Division 2

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Opponent Rating Result
Thomas Annison 1567 1 - 0
Cor Dekker 1902 0 - 1
Chris Perkins 1781 ½ - ½
Robin Blackwell 1818 0 - 1
David M Owen 1749 ½ - ½
Sam Gallant 1833 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1708 = (10650 + 400 * (1 - 2)) / 6)

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Opponent Rating Result
Robin Blackwell 1870 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1470 = (1870 + 400 * (0 - 1)) / 1)