Event: Hutchinson

Opponent Rating Result
Stephen Haggas 1539 1 - 0
Ian Jewsbury 1683 ½ - ½
Nigel Redmond 1648 ½ - ½
Derrick J Mason 1453 1 - 0
Simon Jones 1470 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1799 = (7793 + 400 * (3 - 0)) / 5)

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