Event: TCL Division 4

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Opponent Rating Result
Aritra Paul 104 ½ - ½
Alan F Webster 70 ½ - ½
Tom Lewis 76 0 - 1
Kieran Raine 104 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-12 = (354 + 400 * (0 - 1)) / 4)

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