Event: Div 4 - Athenaeum Cup

Opponent Rating Result
Thomas Hancock 1598 ½ - ½
Peter T Sharpe 1664 ½ - ½
Freddie Jackson 1459 0 - 1
Michael D Bell 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1080 = (4721 + 400 * (0 - 1)) / 4)

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