Event: Bob Burns 2019

Opponent Rating Result
Mark D Crowther 185 ½ - ½
Christopher J Edwards 0 ½ - ½
Alex O`Connell 0 1 - 0
Peter D Rooney 194 0 - 1
Lee Crawford 152 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

106 = (531 + 400 * (1 - 1)) / 5)

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