Event: Division 4

Opponent Rating Result
John Conway 1613 0 - 1
Stephen Rumsby 1616 1 - 0
Roland Robson 1524 ½ - ½
David Collinson 1296 ½ - ½
Ian Howard 1450 0 - 1
Penny A Wood 1452 ½ - ½
Akshath Shivakumar 1618 0 - 1
Anthony McCool 1360 0 - 1
Stephen Rumsby 1603 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1326 = (13532 + 400 * (1 - 5)) / 9)

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