Event: Division 2

Opponent Rating Result
Anthony RW Brough 133 0 - 1
Liam McIlveen 118 ½ - ½
Sandra G Blackburn 112 ½ - ½
Stephen J Emmerton 127 ½ - ½
Anthony RW Brough 133 ½ - ½
Ellen Scattergood 100 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

121 = (723 + 400 * (1 - 1)) / 6)

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