Event: Cleveland Individual

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

1546 = (6183 + 400 * (1 - 1)) / 4)

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