Event: 4th Cornwall Spring Major

Opponent Rating Result
Hugh F Fenwick 1858 ½ - ½
Brendan O'Gorman 1729 ½ - ½
H William Ingham 1853 1 - 0
John B Symons 1711 ½ - ½
David Pemberton 1764 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1863 = (8915 + 400 * (1 - 0)) / 5)

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