Event: MCA Division 1

Opponent Rating Result
Stuart Smiley 1743 1 - 0
Michael Carroll 1540 ½ - ½
Brian R Ewart 1825 0 - 1
M Connor 0 0 - 1
James N Hawkins 1870 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1236 = (6978 + 400 * (1 - 3)) / 5)

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