Event: Norfolk County Chess Championships- Challengers

Opponent Rating Result
Larysa Klepikovska 1506 1 - 0
Sharvari Saharkar 1550 1 - 0
Bharath Klass 1721 ½ - ½
Lucy Batley 0 1 - 0
Stephen Livermore 1622 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1520 = (6399 + 400 * (3 - 0)) / 5)

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