Event: North Norfolk Rapidplay (25|10)

Opponent Rating Result
David P Jones 1438 1 - 0
David P Jones 1438 1 - 0
Alan F Page 1853 ½ - ½
Yvonne Cowan 0 1 - 0
Clive Scarrott 971 1 - 0
Chris Perkins 1753 1 - 0
Neal Foster 1839 0 - 1
Neal Foster 1839 1 - 0
Alan F Page 1822 0 - 1
Chris Perkins 1568 0 - 1
David L Jones 1522 1 - 0
Tony R Larner 1520 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1630 = (17563 + 400 * (8 - 3)) / 12)

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