Event: EDCA - National Premier

Opponent Rating Result
Alasdair MacLeod 1789 0 - 1
Stephen Gibson 1468 ½ - ½
David T Guy 1807 0 - 1
Peter T Sharpe 1712 0 - 1
Ilan Dwek 1722 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1380 = (8498 + 400 * (0 - 4)) / 5)

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