Event: MID Stevenson Cup

Opponent Rating Result
Robert E Lane 149 0 - 1
Robin M Wilson 163 ½ - ½
Robin M Wilson 163 0 - 1
David JR Barnes 173 ½ - ½
George E Hollands 155 0 - 1
Marc A Bryant 136 1 - 0
Chris Marshall 151 0 - 1
Gary Willson 129 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

52 = (1219 + 400 * (2 - 4)) / 8)

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