Free knitting pattern: Checkerboard Square

Pattern for use by kind permission of Helen Flagg
This Checkerboard Square stitch pattern creates a gently textured square, and can easily be adapted for any yarn or gauge.
To make the Checkerboard Square, cast on a multiple of 4 stitches plus 1 extra stitch. (for example, 33 stitches, 37 stitches, 41 stitches, etc, depending on the weight of yarn and your knitting gauge. Aim for a row of stitches approximately 8″ (20cm) across.)
Row 1: Knit
Row 2: Purl
Row 3: *Knit 1, Purl 3* repeat from * to last stitch, Knit 1
Row 4: Purl
Next rows: Repeat this pattern until work measures 8” (20cm).
Cast off, leaving a 20” (50cm) tail which is used for sewing the squares together.
Weave in all yarn ends.
Leave a 20” (50cm) tail, used for sewing the squares together. Butterfly the tail to the square.
Use contrasting yarn and follow these directions:
Knit-a-square South Africa, a partner of CreateCare Global.