Event: DHCC Late May 2023 Rapidplay

Opponent Rating Result
Andrew Nettleship 0 1 - 0
Ethan Fenton 0 1 - 0
Ian Barker 0 0 - 1
Craig Chatterton 1650 ½ - ½
Geoffrey D Brown 1750 0 - 1
John M Oughton 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

633 = (3400 + 400 * (3 - 2)) / 6)

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