Event: 4-Board Division 2

Opponent Rating Result
Ronald Botham 1050 1 - 0
Paul GE Carter 1689 0 - 1
Peter Eggleton 1516 0 - 1
Ronald Botham 1120 1 - 0
Peter Eggleton 1516 0 - 1
David Harrison 1384 0 - 1
David J Gibson 1541 1 - 0
Darren Tomlinson 973 ½ - ½
Andrew Reynolds 1265 ½ - ½
David J Gibson 1541 0 - 1
Darren Tomlinson 973 1 - 0
Colin W Field 1468 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1270 = (16036 + 400 * (4 - 6)) / 12)

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