Event: Division 2

Opponent Rating Result
Alex Hope 1646 ½ - ½
Rob E Wilden 1720 ½ - ½
David Horton 1272 1 - 0
Jeffrey Blumsom 1624 0 - 1
Richard J West 1690 0 - 1
Dave R Wingrove 1349 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1484 = (9301 + 400 * (1 - 2)) / 6)

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