Event: Division Five

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Opponent Rating Result
Wojciech Czopek 173 ½ - ½
Mike J Johnson 122 ½ - ½
Roger Threlfall 131 ½ - ½
John E Fryer 125 ½ - ½
Manuel Alvarez 134 ½ - ½
Roger Ball 115 0 - 1
Richard Woolley 110 0 - 1
Mehdi Al Samir 129 0 - 1
Marek Biernacki 118 0 - 1
Paul Barrett 116 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-33 = (1273 + 400 * (0 - 4)) / 10)

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Opponent Rating Result
Graham Barrett 111 ½ - ½
David M Cotterell 0 ½ - ½
Lionel Lewis 97 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

203 = (208 + 400 * (1 - 0)) / 3)