Event: A Division

Opponent Rating Result
John S Garnett 169 1 - 0
Francis Batchelor 177 ½ - ½
Paul Gregory 165 1 - 0
Bernard Price 153 1 - 0
Kevin J Wilson 160 ½ - ½
Nicholas Tavoularis 203 1 - 0
Virgil Szekely 187 ½ - ½
John S Garnett 169 0 - 1
Francis Batchelor 177 1 - 0
Paul Gregory 165 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

373 = (1725 + 400 * (6 - 1)) / 10)

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