Event: Division Five

Opponent Rating Result
David Holroyd 1328 0 - 1
David J Carpenter 1473 0 - 1
Peter J Hughes 1433 0 - 1
Terence V Benson 1327 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

990 = (5561 + 400 * (0 - 4)) / 4)

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