Event: Belper Champs 2019-20

Opponent Rating Result
Nigel D Marshall 115 0 - 1
Alan Holden 96 0 - 1
Norman W Parkin 105 0 - 1
Ian R Morrell 59 0 - 1
Allan Doyle 94 ½ - ½
Ronald S Harrison 112 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-237 = (581 + 400 * (0 - 5)) / 6)

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