Event: Redcar Club championship

Opponent Rating Result
John Bunyan 1522 1 - 0
Martin P McLoughlin 1390 1 - 0
Gerry F Walsh 1598 1 - 0
John Cowle 1379 1 - 0
Brian R Myers 1730 0 - 1
John Bunyan 1522 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1790 = (9141 + 400 * (5 - 1)) / 6)

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