-- Folks that have knit this have said that it works up small for them so you might want to try out the instructions on how to add stitches to make it bigger.
*** cast on 100sts and it worked out perfectly!***
After the ribbing increase to 108 sts. That way the 4 x 4 checkerboard pattern works out and the decreases (divisible by 6) work out as well

You can find the pattern on Craftster or a revised pattern on my FREE PATTERNS BLOG