Event: 6 Board League

Opponent Rating Result
Rupert W Jones 1815 0 - 1
Dave Colledge 1763 ½ - ½
Simon Watson 1852 0 - 1
Stephen Haggas 1540 0 - 1
William Boothman 1753 0 - 1
Kieran L Link 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1254 = (8723 + 400 * (1 - 4)) / 6)

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