Van Dyke Check is a reversible stitch pattern that is worked over a combination of knit and purl stitches.
Van Dyke Check Stitch
(Multiples of 8 sts)
Row 1 (RS) Knit
Row 2 *K4, p4; repeat from * to end.
Row 3 P1, *k4, p4; repeat from * to last 7 sts, end k4, p3.
Row 4 K2, *p4, k4; repeat from * to last 6 sts, end p4, k2.
Row 5 P3, *k4, p4; repeat from * to last 5 sts, end k4, p1.
Row 6 *P4, k4; repeat from * to end.
Row 7 Knit
Rows 8 thru 11 *K4, p4; repeat from * to end.
Row 12 Purl
Row 13 *P4, k4; repeat from * to end.
Row 14 K1, *p4, k4; repeat from * to last 7 sts, end p4, k3.
Row 15 P2, *k4, p4; repeat from * to last 6 sts, end k4, p2.
Row 16 K3, *p4, k4; repeat from * to last 5 sts, end p4, k1.
Row 17 *K4, p4; repeat from * to end.
Row 18 Purl
Rows 19 thru 22 *P4, k4; repeat from * to end.
These 22 rows form the Van Dyke Check Stitch.