Event: MCA Division 2

Opponent Rating Result
Chris Wentworth 1623 ½ - ½
Edward Rigby 0 1 - 0
Gerard Varney 1555 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1059 = (3178 + 400 * (1 - 1)) / 3)

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