Event: Essex Summer Rapid Knockout

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Opponent Rating Result
Ken W Clow 1705 1 - 0
Ken W Clow 1705 1 - 0
Ivan J Myall 2018 1 - 0
Ivan J Myall 2018 1 - 0
Neville H Twitchell 1850 ½ - ½
Neville H Twitchell 1850 ½ - ½
Peter Jaszkiwskyj 1958 1 - 0
Peter Jaszkiwskyj 1958 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2133 = (15062 + 400 * (5 - 0)) / 8)

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