Event: Divison 3 - Batley-Meek Memorial Trophy

Opponent Rating Result
Matthew Atkinson 63 1 - 0
John N Stevens 123 1 - 0
J Roger Swindell 107 ½ - ½
Stephen K Lee 132 0 - 1
Graeme Addison 86 1 - 0
Michael Snowdon 99 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

235 = (610 + 400 * (3 - 1)) / 6)

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