Event: City Chess Swiss 2018-19

Opponent Rating Result
Michael R Wiltshire 0 1 - 0
Hamish AG Pitkeathly 0 1 - 0
Joseph S Rees 0 1 - 0
Michael R Wiltshire 0 0 - 1
Keith S Jones 0 1 - 0
Hyusein Hyuseinov 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

267 = (0 + 400 * (5 - 1)) / 6)

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