Event: Online Division 2

Opponent Rating Result
Anthony Purser 1423 ½ - ½
Anthony Purser 1423 ½ - ½
Roger R Brown 1698 1 - 0
Stephen Tulett 1439 ½ - ½
Jonathan Smith 1464 1 - 0
Alf Evans 1316 1 - 0
Richard G Thompson 1560 0 - 1
Tim Skidmore 0 1 - 0
Richard Vernon 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1325 = (10323 + 400 * (5 - 1)) / 9)

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