Event: Div 4 - Athenaeum Cup

Opponent Rating Result
James Alex Brown 1499 ½ - ½
Hugh Shipley 1188 0 - 1
Tom R W Edwards 1516 0 - 1
Charlie Standley 1287 0 - 1
Martin Hoare 1218 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1022 = (6708 + 400 * (0 - 4)) / 5)

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