Event: Division Three

Opponent Rating Result
Brian Homewood 141 1 - 0
Mike A Biddle 131 0 - 1
Alex R Holowczak 137 1 - 0
Gideon Vecht 155 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

141 = (564 + 400 * (2 - 2)) / 4)

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