Event: EDCA - National Premier

Opponent Rating Result
David T Guy 1807 ½ - ½
Peter T Sharpe 1712 ½ - ½
Ilan Dwek 1722 0 - 1
Stephen Gibson 1468 1 - 0
Lewis Martin 2202 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1782 = (8911 + 400 * (1 - 1)) / 5)

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