Event: Norfolk & Norwich Challengers

Opponent Rating Result
James Casey 1760 ½ - ½
Murray Raff 1400 ½ - ½
Alex Wheeler 1439 ½ - ½
Pranavsuriya Kumarvimala 1457 0 - 1
Malcolm Clarke 1420 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1495 = (7476 + 400 * (1 - 1)) / 5)

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