Event: City Chess League 2019-20

Opponent Rating Result
Philipp Orgler 2118 ½ - ½
Charles T McAleenan 0 1 - 0
David J Wilson 0 0 - 1
Costas Karayiannis 0 ½ - ½
Julian T Farrand 0 ½ - ½
Robert F Willmoth 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

286 = (2118 + 400 * (1 - 2)) / 6)

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