Event: 4-Board Division 2

Opponent Rating Result
Nick Whetton 111 ½ - ½
David J Gibson 114 ½ - ½
Granville Mellor 108 ½ - ½
Phil H Crook 105 ½ - ½
Nick Whetton 111 0 - 1
Dave M Cooper 105 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

42 = (654 + 400 * (0 - 1)) / 6)

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