Event: League Division 3

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Opponent Rating Result
Andrew Zigmond 1632 1 - 0
Mariana Ferreira 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1216 = (1632 + 400 * (2 - 0)) / 2)

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Opponent Rating Result
Ivor Timmis 1466 ½ - ½
RA (Bob) Maltby 1615 0 - 1
Steve Collins 1318 1 - 0
Mariana Ferreira 0 1 - 0
Neil Harris 930 1 - 0
Roy Johnson 1082 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1269 = (6411 + 400 * (4 - 1)) / 6)