Event: Cotswold Major

Opponent Rating Result
Martin C Worrall 1765 0 - 1
Alan E Gentry 1787 1 - 0
Trevor J Holt 1749 0 - 1
Matthew Timbrell 1732 ½ - ½
Carl Gartside 1819 0 - 1
Chris W Pitt 1664 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1619 = (10516 + 400 * (1 - 3)) / 6)

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