Event: Division Four

Opponent Rating Result
Andrew Powell 1503 ½ - ½
Roger Bray 1568 ½ - ½
Richard Wilkinson 1625 ½ - ½
Lee E Collier 1760 ½ - ½
Chris Moore 1483 0 - 1
Oliver Green 1568 0 - 1
David M Cotterell 1622 ½ - ½
Arnold Peace 1698 ½ - ½
David Cleak 1571 ½ - ½
David H Watkin 1460 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1506 = (15858 + 400 * (0 - 2)) / 10)

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