Event: Roger Goldsmith Div 2

Opponent Rating Result
Charles J Richmond 1571 ½ - ½
Mark Webb 1459 ½ - ½
Benjamin Varea 1485 1 - 0
Daniel Pugh 1600 0 - 1
Mike Angel 1579 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1539 = (7694 + 400 * (1 - 1)) / 5)

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