Event: Cleveland Individual

Opponent Rating Result
Mike Pointon 1660 0 - 1
Brian Whitaker 1570 ½ - ½
Geoffrey Howsden 1383 0 - 1
Darren John Donnison 1443 1 - 0
Peter R Archer 1510 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1433 = (7566 + 400 * (1 - 2)) / 5)

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