Event: Division Two

Opponent Rating Result
Michael PF Singleton 1991 0 - 1
Ian Searle 1562 1 - 0
James N Stayt 1912 ½ - ½
Peter S Dove 1892 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1739 = (7357 + 400 * (1 - 2)) / 4)

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