Event: 4-Board Division 1

Opponent Rating Result
Trevor Harper 136 1 - 0
Thomas L Hackett 135 1 - 0
John Thackray 155 0 - 1
Joe Varley 138 ½ - ½
Derek A Sheppard 135 1 - 0
Stephen Crow 154 0 - 1
Tony Southern 116 1 - 0
Joe Varley 138 0 - 1
Stephen Crow 154 1 - 0
Edward S Oxley 141 1 - 0
Alec Grice 138 1 - 0
F Hal Jorna 118 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

305 = (1658 + 400 * (8 - 3)) / 12)

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