Player               # average       sigma   best  worst
  ?   Katherine Wipf       1   48.00        0.00  48.00  48.00 
   1  Henk Uijterwaal      2   38.00       11.00  49.00  27.00 
   2  Jeff Bulmahn         4   31.50       19.16  49.00   2.00 
  ?   Cathy Farrow         1    4.00        0.00   4.00   4.00 
   3  Bill Murray          3    2.00       13.64  17.00 -16.00 
   4  Marcin Nowak         3    2.00       13.64  17.00 -16.00 
  ?    Anne-Estelle Werner  1   -2.00        0.00  -2.00  -2.00 
  ?   John Lane            1   -2.00        0.00  -2.00  -2.00 
   5  Doug Hasell          2   -9.50       13.50   4.00 -23.00 
   6  Dave Gilkinson       2  -10.50       12.50   2.00 -23.00 
   7= Howard Mills         3  -16.00       19.82   4.00 -43.00 
   7= Heike Mills          3  -16.00       19.82   4.00 -43.00 
   8  Richard Cross        3  -21.00       29.43  16.00 -56.00 
   9  Mark Vanhook         3  -21.00       29.43  16.00 -56.00 

?: Did not play at least 1/3 of the hands.