Event: Division One

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Opponent Rating Result
Richard Mycroft 192 0 - 1
Parminder Sanghera 208 ½ - ½
Agoston Mihalik 200 0 - 1
Lee A Grinsell 189 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-3 = (789 + 400 * (0 - 2)) / 4)

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