Event: Division Five

Opponent Rating Result
Peter Rose 1473 0 - 1
Paul Bignall 1458 0 - 1
Terence V Benson 1327 ½ - ½
Barry Hearn 1374 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1108 = (5632 + 400 * (0 - 3)) / 4)

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