Event: Division 1

Opponent Rating Result
Geetha Prodhom 1858 0 - 1
Antony C Hall 1985 1 - 0
Peter R Wood 1895 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1913 = (5738 + 400 * (1 - 1)) / 3)

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